Base | Representation |
---|---|
bin | 10111001100110101… |
… | …01000100001111001 |
3 | 1012011001112220100021 |
4 | 23212122220201321 |
5 | 201002123113100 |
6 | 5415544210441 |
7 | 620443333162 |
oct | 134632504171 |
9 | 35131486307 |
10 | 12455676025 |
11 | 53119a4831 |
12 | 24b7469a21 |
13 | 123669ac00 |
14 | 862356769 |
15 | 4cd780a1a |
hex | 2e66a8879 |
12455676025 has 81 divisors (see below), whose sum is σ = 17943818133. Its totient is φ = 8571264000.
The previous prime is 12455676019. The next prime is 12455676049. The reversal of 12455676025 is 52067655421.
The square root of 12455676025 is 111605.
It is a perfect power (a square), and thus also a powerful number.
12455676025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 40 ways, for example, as 10999185129 + 1456490896 = 104877^2 + 38164^2 .
It is not a de Polignac number, because 12455676025 - 23 = 12455676017 is a prime.
It is a Duffinian 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 80 ways as a sum of consecutive naturals, for example, 123323475 + ... + 123323575.
Almost surely, 212455676025 is an apocalyptic number.
12455676025 is the 111605-th square number.
12455676025 is the 55803-rd centered octagonal number.
It is an amenable number.
12455676025 is a deficient number, since it is larger than the sum of its proper divisors (5488142108).
12455676025 is a wasteful number, since it uses less digits than its factorization.
12455676025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272 (or 136 counting only the distinct ones).
The product of its (nonzero) digits is 504000, while the sum is 43.
The spelling of 12455676025 in words is "twelve billion, four hundred fifty-five million, six hundred seventy-six thousand, twenty-five".
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