Base | Representation |
---|---|
bin | 10111011010101110… |
… | …10101101000111010 |
3 | 1012110011220121112000 |
4 | 23231113111220322 |
5 | 201221444041410 |
6 | 5435311001430 |
7 | 623360246022 |
oct | 135527255072 |
9 | 35404817460 |
10 | 12572252730 |
11 | 5371788614 |
12 | 252a509276 |
13 | 12548968cb |
14 | 873a20a82 |
15 | 4d8b0bdc0 |
hex | 2ed5d5a3a |
12572252730 has 32 divisors (see below), whose sum is σ = 33526008000. Its totient is φ = 3352600656.
The previous prime is 12572252717. The next prime is 12572252773. The reversal of 12572252730 is 3725227521.
12572252730 is a `hidden beast` number, since 1 + 2 + 572 + 2 + 52 + 7 + 30 = 666.
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, 23281680 + ... + 23282219.
It is an arithmetic number, because the mean of its divisors is an integer number (1047687750).
Almost surely, 212572252730 is an apocalyptic number.
12572252730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12572252730 is an abundant number, since it is smaller than the sum of its proper divisors (20953755270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12572252730 is a wasteful number, since it uses less digits than its factorization.
12572252730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46563915 (or 46563909 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 36.
The spelling of 12572252730 in words is "twelve billion, five hundred seventy-two million, two hundred fifty-two thousand, seven hundred thirty".
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