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11901690674 = 29785971419
BaseRepresentation
bin10110001010110010…
…10110001100110010
31010201110010112022022
423011121112030302
5143333313100144
65244554311442
7600635462426
oct130531261462
933643115268
1011901690674
1150582153a5
122381a28582
131178993723
1480c94ab86
15499d01cee
hex2c5656332

11901690674 has 16 divisors (see below), whose sum is σ = 18057832800. Its totient is φ = 5882557824.

The previous prime is 11901690643. The next prime is 11901690721. The reversal of 11901690674 is 47609610911.

It is a happy number.

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, 130937 + ... + 202355.

It is an arithmetic number, because the mean of its divisors is an integer number (1128614550).

Almost surely, 211901690674 is an apocalyptic number.

11901690674 is a deficient number, since it is larger than the sum of its proper divisors (6156142126).

11901690674 is an equidigital number, since it uses as much as digits as its factorization.

11901690674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72377.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 11901690674 in words is "eleven billion, nine hundred one million, six hundred ninety thousand, six hundred seventy-four".

Divisors: 1 2 97 194 859 1718 71419 83323 142838 166646 6927643 13855286 61348921 122697842 5950845337 11901690674