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12790055125 = 532112392029
BaseRepresentation
bin10111110100101100…
…01100000011010101
31020000100202010020101
423322112030003111
5202143223231000
65513051134101
7631643450311
oct137226140325
936010663211
1012790055125
11547371a7a1
12258b444331
13128aa44c73
14894918b41
154eccd0e6a
hex2fa58c0d5

12790055125 has 32 divisors (see below), whose sum is σ = 16112678400. Its totient is φ = 10135944000.

The previous prime is 12790055099. The next prime is 12790055137. The reversal of 12790055125 is 52155009721.

12790055125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12790055125 - 25 = 12790055093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6302611 + ... + 6304639.

It is an arithmetic number, because the mean of its divisors is an integer number (503521200).

Almost surely, 212790055125 is an apocalyptic number.

It is an amenable number.

12790055125 is a deficient number, since it is larger than the sum of its proper divisors (3322623275).

12790055125 is a wasteful number, since it uses less digits than its factorization.

12790055125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 12790055125 in words is "twelve billion, seven hundred ninety million, fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 211 239 1055 1195 2029 5275 5975 10145 26375 29875 50429 50725 252145 253625 428119 484931 1260725 2140595 2424655 6303625 10702975 12123275 53514875 60616375 102320441 511602205 2558011025 12790055125