Base | Representation |
---|---|
bin | 10111010010001011… |
… | …01011000011111111 |
3 | 1012021011220212010211 |
4 | 23221011223003333 |
5 | 201100112404043 |
6 | 5424225213251 |
7 | 621526415245 |
oct | 135105530377 |
9 | 35234825124 |
10 | 12500513023 |
11 | 53352394a9 |
12 | 250a491227 |
13 | 1242a6928b |
14 | 8682a8795 |
15 | 4d268aa9d |
hex | 2e916b0ff |
12500513023 has 4 divisors (see below), whose sum is σ = 12705439528. Its totient is φ = 12295586520.
The previous prime is 12500513009. The next prime is 12500513029. The reversal of 12500513023 is 32031500521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12500513023 - 233 = 3910578431 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12500512985 and 12500513003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12500513029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102463161 + ... + 102463282.
It is an arithmetic number, because the mean of its divisors is an integer number (3176359882).
Almost surely, 212500513023 is an apocalyptic number.
12500513023 is a deficient number, since it is larger than the sum of its proper divisors (204926505).
12500513023 is an equidigital number, since it uses as much as digits as its factorization.
12500513023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204926504.
The product of its (nonzero) digits is 900, while the sum is 22.
The spelling of 12500513023 in words is "twelve billion, five hundred million, five hundred thirteen thousand, twenty-three".
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