Base | Representation |
---|---|
bin | 10010101001100111… |
… | …00101010001000101 |
3 | 221211210202000212011 |
4 | 21110303211101011 |
5 | 131001230231400 |
6 | 4333315454221 |
7 | 503060623516 |
oct | 112463452105 |
9 | 27753660764 |
10 | 10012742725 |
11 | 4278a28897 |
12 | 1b352b7371 |
13 | c3752c54b |
14 | 6adb1ca0d |
15 | 3d90788ba |
hex | 254ce5445 |
10012742725 has 24 divisors (see below), whose sum is σ = 12543794120. Its totient is φ = 7927787520.
The previous prime is 10012742699. The next prime is 10012742771. The reversal of 10012742725 is 52724721001.
It can be written as a sum of positive squares in 12 ways, for example, as 149670756 + 9863071969 = 12234^2 + 99313^2 .
It is not a de Polignac number, because 10012742725 - 233 = 1422808133 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3532909 + ... + 3535741.
Almost surely, 210012742725 is an apocalyptic number.
It is an amenable number.
10012742725 is a deficient number, since it is larger than the sum of its proper divisors (2531051395).
10012742725 is a wasteful number, since it uses less digits than its factorization.
10012742725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4249 (or 4244 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 31.
The spelling of 10012742725 in words is "ten billion, twelve million, seven hundred forty-two thousand, seven hundred twenty-five".
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