Base | Representation |
---|---|
bin | 10111011010010100… |
… | …10001010100000100 |
3 | 1012102221110120111022 |
4 | 23231022101110010 |
5 | 201220104432030 |
6 | 5435105330312 |
7 | 623316160622 |
oct | 135512212404 |
9 | 35387416438 |
10 | 12568827140 |
11 | 536a858951 |
12 | 2529336998 |
13 | 1253c6762c |
14 | 8733ac512 |
15 | 4d8681de5 |
hex | 2ed291504 |
12568827140 has 24 divisors (see below), whose sum is σ = 26547113880. Its totient is φ = 4998468608.
The previous prime is 12568827137. The next prime is 12568827143. The reversal of 12568827140 is 4172886521.
It is an interprime number because it is at equal distance from previous prime (12568827137) and next prime (12568827143).
It can be written as a sum of positive squares in 4 ways, for example, as 5101102084 + 7467725056 = 71422^2 + 86416^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12568827091 and 12568827100.
It is not an unprimeable number, because it can be changed into a prime (12568827143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812845 + ... + 1819764.
It is an arithmetic number, because the mean of its divisors is an integer number (1106129745).
Almost surely, 212568827140 is an apocalyptic number.
12568827140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12568827140 is an abundant number, since it is smaller than the sum of its proper divisors (13978286740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12568827140 is a wasteful number, since it uses less digits than its factorization.
12568827140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3632791 (or 3632789 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 44.
The spelling of 12568827140 in words is "twelve billion, five hundred sixty-eight million, eight hundred twenty-seven thousand, one hundred forty".
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