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131776002061868 = 22139833992841847
BaseRepresentation
bin11101111101100101111101…
…110010101111011000101100
3122021120122220011012212220002
4131331211331302233120230
5114233004223011434433
61144133020513443432
736520334114150363
oct3575457562573054
9567518804185802
10131776002061868
1138a9598585279a
12129430a4570578
13586b567a736a8
142477dc770a7da
151037be23bb9e8
hex77d97dcaf62c

131776002061868 has 24 divisors (see below), whose sum is σ = 232269920736000. Its totient is φ = 65413179267408.

The previous prime is 131776002061783. The next prime is 131776002061877. The reversal of 131776002061868 is 868160200677131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44948921 + ... + 47790767.

It is an arithmetic number, because the mean of its divisors is an integer number (9677913364000).

Almost surely, 2131776002061868 is an apocalyptic number.

It is an amenable number.

131776002061868 is a deficient number, since it is larger than the sum of its proper divisors (100493918674132).

131776002061868 is a wasteful number, since it uses less digits than its factorization.

131776002061868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925389 (or 2925387 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 131776002061868 in words is "one hundred thirty-one trillion, seven hundred seventy-six billion, two million, sixty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 139 278 556 83399 166798 333596 2841847 5683694 11367388 11592461 23184922 46369844 395016733 790033466 1580066932 237007197953 474014395906 948028791812 32944000515467 65888001030934 131776002061868