Base | Representation |
---|---|
bin | 10111011010100101… |
… | …01010001010011000 |
3 | 1012110002121021212020 |
4 | 23231102222022120 |
5 | 201221140313242 |
6 | 5435224414440 |
7 | 623343646533 |
oct | 135522521230 |
9 | 35402537766 |
10 | 12571026072 |
11 | 537101aa50 |
12 | 252a017420 |
13 | 1254557487 |
14 | 8737c1a1a |
15 | 4d89686ec |
hex | 2ed4aa298 |
12571026072 has 64 divisors (see below), whose sum is σ = 35120856960. Its totient is φ = 3716486400.
The previous prime is 12571026047. The next prime is 12571026133. The reversal of 12571026072 is 27062017521.
It is a Harshad number since it is a multiple of its sum of digits (33).
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, 569878 + ... + 591525.
It is an arithmetic number, because the mean of its divisors is an integer number (548763390).
Almost surely, 212571026072 is an apocalyptic number.
12571026072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12571026072 is an abundant number, since it is smaller than the sum of its proper divisors (22549830888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12571026072 is a wasteful number, since it uses less digits than its factorization.
12571026072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1161464 (or 1161460 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
The spelling of 12571026072 in words is "twelve billion, five hundred seventy-one million, twenty-six thousand, seventy-two".
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