Base | Representation |
---|---|
bin | 10010101000000101… |
… | …11110010000011001 |
3 | 221210220202122011022 |
4 | 21110002332100121 |
5 | 130440000000100 |
6 | 4332142412225 |
7 | 502544412011 |
oct | 112402762031 |
9 | 27726678138 |
10 | 10000000025 |
11 | 4271815034 |
12 | 1b30b91075 |
13 | c349ba4a2 |
14 | 6ac162c41 |
15 | 3d7dace85 |
hex | 2540be419 |
10000000025 has 12 divisors (see below), whose sum is σ = 12401240124. Its totient is φ = 7999200000.
The previous prime is 10000000019. The next prime is 10000000033. The reversal of 10000000025 is 52000000001.
It can be written as a sum of positive squares in 6 ways, for example, as 6303724816 + 3696275209 = 79396^2 + 60797^2 .
It is not a de Polignac number, because 10000000025 - 28 = 9999999769 is a prime.
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, 484925 + ... + 505125.
It is an arithmetic number, because the mean of its divisors is an integer number (1033436677).
Almost surely, 210000000025 is an apocalyptic number.
It is an amenable number.
10000000025 is a deficient number, since it is larger than the sum of its proper divisors (2401240099).
10000000025 is a wasteful number, since it uses less digits than its factorization.
10000000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40012 (or 40007 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 8.
Adding to 10000000025 its reverse (52000000001), we get a palindrome (62000000026).
It can be divided in two parts, 100000000 and 25, that multiplied together give a square (2500000000 = 500002).
The spelling of 10000000025 in words is "ten billion, twenty-five", and thus it is an aban number and an uban number.
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