Base | Representation |
---|---|
bin | 1011010111011011011001… |
… | …0000100011111110010001 |
3 | 1122020201020121122201112112 |
4 | 2311312312100203332101 |
5 | 3114223044110042100 |
6 | 42325032510435105 |
7 | 2426613140260406 |
oct | 265666620437621 |
9 | 48221217581475 |
10 | 12497117659025 |
11 | 3a88aa813491a |
12 | 149a037502a95 |
13 | 6c861c64064c |
14 | 312c140a62ad |
15 | 16a12a9a1b35 |
hex | b5db6423f91 |
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".
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