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34504993920 = 273531579721
BaseRepresentation
bin100000001000101010…
…000110110010000000
310022001201020022020210
4200020222012302000
51031131234301140
623503521434120
72331031415625
oct401052066200
9108051208223
1034504993920
11136a7195701
12682b79b940
13333b7c9987
14195489434c
15d6e3a1d80
hex808a86c80

34504993920 has 128 divisors (see below), whose sum is σ = 113532756480. Its totient is φ = 8904499200.

The previous prime is 34504993847. The next prime is 34504993931. The reversal of 34504993920 is 2939940543.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 34504993920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230341 + ... + 349380.

It is an arithmetic number, because the mean of its divisors is an integer number (886974660).

Almost surely, 234504993920 is an apocalyptic number.

34504993920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34504993920 is an abundant number, since it is smaller than the sum of its proper divisors (79027762560).

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

34504993920 is a wasteful number, since it uses less digits than its factorization.

34504993920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579774 (or 579762 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 34504993920 in words is "thirty-four billion, five hundred four million, nine hundred ninety-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 310 320 372 384 465 480 496 620 640 744 930 960 992 1240 1488 1860 1920 1984 2480 2976 3720 3968 4960 5952 7440 9920 11904 14880 19840 29760 59520 579721 1159442 1739163 2318884 2898605 3478326 4637768 5797210 6956652 8695815 9275536 11594420 13913304 17391630 17971351 18551072 23188840 27826608 34783260 35942702 37102144 46377680 53914053 55653216 69566520 71885404 74204288 89856755 92755360 107828106 111306432 139133040 143770808 179713510 185510720 215656212 222612864 269570265 278266080 287541616 359427020 371021440 431312424 539140530 556532160 575083232 718854040 862624848 1078281060 1113064320 1150166464 1437708080 1725249696 2156562120 2300332928 2875416160 3450499392 4313124240 5750832320 6900998784 8626248480 11501664640 17252496960 34504993920