Base | Representation |
---|---|
bin | 10111011010100001… |
… | …01101000110110100 |
3 | 1012110001122021012211 |
4 | 23231100231012310 |
5 | 201221022420334 |
6 | 5435205423204 |
7 | 623336414260 |
oct | 135520550664 |
9 | 35401567184 |
10 | 12570513844 |
11 | 5370800119 |
12 | 2529a0ab04 |
13 | 1254408295 |
14 | 8736cb0a0 |
15 | 4d88b6a64 |
hex | 2ed42d1b4 |
12570513844 has 24 divisors (see below), whose sum is σ = 25148329920. Its totient is φ = 5385798336.
The previous prime is 12570513821. The next prime is 12570513869. The reversal of 12570513844 is 44831507521.
12570513844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12570513797 and 12570513806.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35664 + ... + 162520.
It is an arithmetic number, because the mean of its divisors is an integer number (1047847080).
Almost surely, 212570513844 is an apocalyptic number.
12570513844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12570513844 is an abundant number, since it is smaller than the sum of its proper divisors (12577816076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12570513844 is a wasteful number, since it uses less digits than its factorization.
12570513844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130407 (or 130405 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 12570513844 in words is "twelve billion, five hundred seventy million, five hundred thirteen thousand, eight hundred forty-four".
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