Base | Representation |
---|---|
bin | 10111010010001011… |
… | …01101111111001101 |
3 | 1012021011221110120121 |
4 | 23221011231333031 |
5 | 201100113300010 |
6 | 5424225344541 |
7 | 621526465213 |
oct | 135105557715 |
9 | 35234843517 |
10 | 12500525005 |
11 | 5335247501 |
12 | 250a498151 |
13 | 1242a71877 |
14 | 8682accb3 |
15 | 4d268e3da |
hex | 2e916dfcd |
12500525005 has 16 divisors (see below), whose sum is σ = 15297315264. Its totient is φ = 9804471040.
The previous prime is 12500525003. The next prime is 12500525021. The reversal of 12500525005 is 50052500521.
It is a happy number.
It is not a de Polignac number, because 12500525005 - 21 = 12500525003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12500525003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60604 + ... + 169333.
It is an arithmetic number, because the mean of its divisors is an integer number (956082204).
Almost surely, 212500525005 is an apocalyptic number.
It is an amenable number.
12500525005 is a deficient number, since it is larger than the sum of its proper divisors (2796790259).
12500525005 is a wasteful number, since it uses less digits than its factorization.
12500525005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230156.
The product of its (nonzero) digits is 2500, while the sum is 25.
The spelling of 12500525005 in words is "twelve billion, five hundred million, five hundred twenty-five thousand, five".
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