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12790854191996 = 2283197195566849
BaseRepresentation
bin1011101000100001101001…
…0100100000101101111100
31200021210102121202122210022
42322020122110200231330
53134031132133120441
643112012020031312
72460052201513166
oct272103224405574
950253377678708
1012790854191996
114091630809691
121526b53232538
1371a23192713a
1432311b415936
15172abd33384b
hexba21a520b7c

12790854191996 has 24 divisors (see below), whose sum is σ = 22768674944400. Its totient is φ = 6286300762112.

The previous prime is 12790854191993. The next prime is 12790854192001. The reversal of 12790854191996 is 69919145809721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790854191993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97718021 + ... + 97848828.

It is an arithmetic number, because the mean of its divisors is an integer number (948694789350).

Almost surely, 212790854191996 is an apocalyptic number.

It is an amenable number.

12790854191996 is a deficient number, since it is larger than the sum of its proper divisors (9977820752404).

12790854191996 is a wasteful number, since it uses less digits than its factorization.

12790854191996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195567133 (or 195567131 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 71.

The spelling of 12790854191996 in words is "twelve trillion, seven hundred ninety billion, eight hundred fifty-four million, one hundred ninety-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 83 166 197 332 394 788 16351 32702 65404 195566849 391133698 782267396 16232048467 32464096934 38526669253 64928193868 77053338506 154106677012 3197713547999 6395427095998 12790854191996