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238419910485904 = 2472312177892
BaseRepresentation
bin110110001101011101110110…
…000100100110011110010000
31011021011201110111101001220111
4312031131312010212132100
5222222232434041022104
62203024332251451104
7101135161433201200
oct6615356604463620
91137151414331814
10238419910485904
1169a71352969764
12228a7461756a94
13a305b938c6504
1442c3829c76400
151c86cb0660404
hexd8d776126790

238419910485904 has 135 divisors (see below), whose sum is σ = 555281599736241. Its totient is φ = 98878275135360.

The previous prime is 238419910485901. The next prime is 238419910485983. The reversal of 238419910485904 is 409584019914832.

The square root of 238419910485904 is 15440852.

It is a perfect power (a square), and thus also a powerful number.

238419910485904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 233088983631504 + 5330926854400 = 15267252^2 + 2308880^2 .

It is a super-2 number, since 2×2384199104859042 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238419910485904.

It is not an unprimeable number, because it can be changed into a prime (238419910485901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13402650642 + ... + 13402668430.

Almost surely, 2238419910485904 is an apocalyptic number.

238419910485904 is the 15440852-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238419910485904

238419910485904 is an abundant number, since it is smaller than the sum of its proper divisors (316861689250337).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238419910485904 is an frugal number, since it uses more digits than its factorization.

238419910485904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35662 (or 17829 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 238419910485904 in words is "two hundred thirty-eight trillion, four hundred nineteen billion, nine hundred ten million, four hundred eighty-five thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 31 49 56 62 98 112 124 196 217 248 392 434 496 784 868 961 1519 1736 1922 3038 3472 3844 6076 6727 7688 12152 13454 15376 17789 24304 26908 35578 47089 53816 71156 94178 107632 124523 142312 188356 249046 284624 376712 498092 551459 753424 871661 996184 1102918 1743322 1992368 2205836 3486644 3860213 4411672 6973288 7720426 8823344 13946576 15440852 17095229 27021491 30881704 34190458 54042982 61763408 68380916 108085964 119666603 136761832 216171928 239333206 273523664 316448521 432343856 478666412 632897042 837666221 957332824 1265794084 1675332442 1914665648 2215139647 2531588168 3350664884 4430279294 5063176336 6701329768 8860558588 9809904151 13402659536 15505977529 17721117176 19619808302 31011955058 35442234352 39239616604 62023910116 68669329057 78479233208 124047820232 137338658114 156958466416 248095640464 274677316228 304107028681 480685303399 549354632456 608214057362 961370606798 1098709264912 1216428114724 1922741213596 2128749200767 2432856229448 3845482427192 4257498401534 4865712458896 7690964854384 8514996803068 14901244405369 17029993606136 29802488810738 34059987212272 59604977621476 119209955242952 238419910485904