Base | Representation |
---|---|
bin | 10111011001000000… |
… | …00011011100000100 |
3 | 1012102011122022120212 |
4 | 23230200003130010 |
5 | 201204241312020 |
6 | 5434032214552 |
7 | 623123125643 |
oct | 135440033404 |
9 | 35364568525 |
10 | 12557760260 |
11 | 536458a171 |
12 | 252569a458 |
13 | 1251891296 |
14 | 871b2b35a |
15 | 4d76e7cc5 |
hex | 2ec803704 |
12557760260 has 48 divisors (see below), whose sum is σ = 28199087280. Its totient is φ = 4680806400.
The previous prime is 12557760253. The next prime is 12557760301. The reversal of 12557760260 is 6206775521.
It can be written as a sum of positive squares in 8 ways, for example, as 3805409344 + 8752350916 = 61688^2 + 93554^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148505 + ... + 217184.
It is an arithmetic number, because the mean of its divisors is an integer number (587480985).
Almost surely, 212557760260 is an apocalyptic number.
12557760260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12557760260 is an abundant number, since it is smaller than the sum of its proper divisors (15641327020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12557760260 is a wasteful number, since it uses less digits than its factorization.
12557760260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365816 (or 365814 counting only the distinct ones).
The product of its (nonzero) digits is 176400, while the sum is 41.
The spelling of 12557760260 in words is "twelve billion, five hundred fifty-seven million, seven hundred sixty thousand, two hundred sixty".
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