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12076071657 = 3131229251947
BaseRepresentation
bin10110011111100101…
…00011101011101001
31011011121021000001020
423033302203223221
5144212433243112
65314144043053
7605153625666
oct131762435351
934147230036
1012076071657
11513769a411
122410303489
1311a5b4ab40
14827b80a6d
154aa29a48c
hex2cfca3ae9

12076071657 has 16 divisors (see below), whose sum is σ = 17354178240. Its totient is φ = 7425352512.

The previous prime is 12076071649. The next prime is 12076071697. The reversal of 12076071657 is 75617067021.

It is not a de Polignac number, because 12076071657 - 23 = 12076071649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12076071617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78043 + ... + 173904.

It is an arithmetic number, because the mean of its divisors is an integer number (1084636140).

Almost surely, 212076071657 is an apocalyptic number.

It is an amenable number.

12076071657 is a deficient number, since it is larger than the sum of its proper divisors (5278106583).

12076071657 is a wasteful number, since it uses less digits than its factorization.

12076071657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253192.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 12076071657 in words is "twelve billion, seventy-six million, seventy-one thousand, six hundred fifty-seven".

Divisors: 1 3 13 39 1229 3687 15977 47931 251947 755841 3275311 9825933 309642863 928928589 4025357219 12076071657