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2007438768 = 2433191991229
BaseRepresentation
bin111011110100111…
…0001010110110000
312011220100110022000
41313221301112300
513102401020033
6531110214000
7100513643106
oct16751612660
95156313260
102007438768
11940168505
12480354300
1325cb801ba
14150873c76
15bb381a13
hex77a715b0

2007438768 has 160 divisors (see below), whose sum is σ = 6100800000. Its totient is φ = 630229248.

The previous prime is 2007438739. The next prime is 2007438773. The reversal of 2007438768 is 8678347002.

It is a happy number.

2007438768 is a `hidden beast` number, since 200 + 7 + 4 + 387 + 68 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1632778 + ... + 1634006.

It is an arithmetic number, because the mean of its divisors is an integer number (38130000).

Almost surely, 22007438768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2007438768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3050400000).

2007438768 is an abundant number, since it is smaller than the sum of its proper divisors (4093361232).

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

2007438768 is a wasteful number, since it uses less digits than its factorization.

2007438768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2007438768 is about 44804.4503146730. The cubic root of 2007438768 is about 1261.4811606717.

The spelling of 2007438768 in words is "two billion, seven million, four hundred thirty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 108 114 144 152 171 199 216 228 304 342 398 432 456 513 597 684 796 912 1026 1194 1229 1368 1592 1791 2052 2388 2458 2736 3184 3582 3687 3781 4104 4776 4916 5373 7164 7374 7562 8208 9552 9832 10746 11061 11343 14328 14748 15124 19664 21492 22122 22686 23351 28656 29496 30248 33183 34029 42984 44244 45372 46702 58992 60496 66366 68058 70053 85968 88488 90744 93404 102087 132732 136116 140106 176976 181488 186808 204174 210159 244571 265464 272232 280212 373616 408348 420318 489142 530928 544464 560424 630477 733713 816696 840636 978284 1120848 1260954 1467426 1633392 1681272 1956568 2201139 2521908 2934852 3362544 3913136 4402278 4646849 5043816 5869704 6603417 8804556 9293698 10087632 11739408 13206834 13940547 17609112 18587396 26413668 27881094 35218224 37174792 41821641 52827336 55762188 74349584 83643282 105654672 111524376 125464923 167286564 223048752 250929846 334573128 501859692 669146256 1003719384 2007438768