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12497117659025 = 523921712746633
BaseRepresentation
bin1011010111011011011001…
…0000100011111110010001
31122020201020121122201112112
42311312312100203332101
53114223044110042100
642325032510435105
72426613140260406
oct265666620437621
948221217581475
1012497117659025
113a88aa813491a
12149a037502a95
136c861c64064c
14312c140a62ad
1516a12a9a1b35
hexb5db6423f91

12497117659025 has 12 divisors (see below), whose sum is σ = 15496822258572. Its totient is φ = 9997438410240.

The previous prime is 12497117659007. The next prime is 12497117659049. The reversal of 12497117659025 is 52095671179421.

It can be written as a sum of positive squares in 6 ways, for example, as 2380182470656 + 10116935188369 = 1542784^2 + 3180713^2 .

It is not a de Polignac number, because 12497117659025 - 224 = 12497100881809 is a prime.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5392892 + ... + 7353741.

It is an arithmetic number, because the mean of its divisors is an integer number (1291401854881).

Almost surely, 212497117659025 is an apocalyptic number.

It is an amenable number.

12497117659025 is a deficient number, since it is larger than the sum of its proper divisors (2999704599547).

12497117659025 is a wasteful number, since it uses less digits than its factorization.

12497117659025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785860 (or 12785855 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 12497117659025 in words is "twelve trillion, four hundred ninety-seven billion, one hundred seventeen million, six hundred fifty-nine thousand, twenty-five".

Divisors: 1 5 25 39217 196085 980425 12746633 63733165 318665825 499884706361 2499423531805 12497117659025