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12513103612 = 223128275903
BaseRepresentation
bin10111010011101011…
…01100111011111100
31012022001121112011221
423221311230323330
5201111323303422
65425355123124
7622041424432
oct135165547374
935261545157
1012513103612
115341358a49
1225127434a4
131245557029
14869c24d52
154d38263c7
hex2e9d6cefc

12513103612 has 6 divisors (see below), whose sum is σ = 21897931328. Its totient is φ = 6256551804.

The previous prime is 12513103597. The next prime is 12513103637. The reversal of 12513103612 is 21630131521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564137948 + ... + 1564137955.

Almost surely, 212513103612 is an apocalyptic number.

It is an amenable number.

12513103612 is a deficient number, since it is larger than the sum of its proper divisors (9384827716).

12513103612 is a wasteful number, since it uses less digits than its factorization.

12513103612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128275907 (or 3128275905 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 12513103612 in words is "twelve billion, five hundred thirteen million, one hundred three thousand, six hundred twelve".

Divisors: 1 2 4 3128275903 6256551806 12513103612