Base | Representation |
---|---|
bin | 10111010010001001… |
… | …00101111111101101 |
3 | 1012021011101111002010 |
4 | 23221010211333231 |
5 | 201100024331000 |
6 | 5424215151433 |
7 | 621524126415 |
oct | 135104457755 |
9 | 35234344063 |
10 | 12500230125 |
11 | 53350659a9 |
12 | 250a375579 |
13 | 124299a596 |
14 | 868233645 |
15 | 4d2631d50 |
hex | 2e9125fed |
12500230125 has 16 divisors (see below), whose sum is σ = 20800383552. Its totient is φ = 6666789200.
The previous prime is 12500230103. The next prime is 12500230139. The reversal of 12500230125 is 52103200521.
It is not a de Polignac number, because 12500230125 - 210 = 12500229101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16666599 + ... + 16667348.
It is an arithmetic number, because the mean of its divisors is an integer number (1300023972).
Almost surely, 212500230125 is an apocalyptic number.
12500230125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12500230125 is a deficient number, since it is larger than the sum of its proper divisors (8300153427).
12500230125 is an equidigital number, since it uses as much as digits as its factorization.
12500230125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33333965 (or 33333955 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 12500230125 its reverse (52103200521), we get a palindrome (64603430646).
The spelling of 12500230125 in words is "twelve billion, five hundred million, two hundred thirty thousand, one hundred twenty-five".
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