Base | Representation |
---|---|
bin | 10111010101000110… |
… | …10111010101001100 |
3 | 1012022220010200010000 |
4 | 23222203113111030 |
5 | 201122404324430 |
6 | 5430503444300 |
7 | 622245240654 |
oct | 135243272514 |
9 | 35286120100 |
10 | 12525073740 |
11 | 5348094313 |
12 | 2516756690 |
13 | 1247b8854a |
14 | 86b65d364 |
15 | 4d48dce60 |
hex | 2ea8d754c |
12525073740 has 60 divisors (see below), whose sum is σ = 39291625296. Its totient is φ = 3340019232.
The previous prime is 12525073711. The next prime is 12525073751. The reversal of 12525073740 is 4737052521.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 12525073695 and 12525073704.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3864144 + ... + 3867383.
Almost surely, 212525073740 is an apocalyptic number.
12525073740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12525073740 is an abundant number, since it is smaller than the sum of its proper divisors (26766551556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12525073740 is a wasteful number, since it uses less digits than its factorization.
12525073740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7731548 (or 7731537 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 36.
The spelling of 12525073740 in words is "twelve billion, five hundred twenty-five million, seventy-three thousand, seven hundred forty".
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