Base | Representation |
---|---|
bin | 10111011010100111… |
… | …01110110001001000 |
3 | 1012110010010120022221 |
4 | 23231103232301020 |
5 | 201221223311310 |
6 | 5435234423424 |
7 | 623346230023 |
oct | 135523566110 |
9 | 35403116287 |
10 | 12571307080 |
11 | 53711a2092 |
12 | 252a131b74 |
13 | 1254625357 |
14 | 8738561ba |
15 | 4d89c1ada |
hex | 2ed4eec48 |
12571307080 has 16 divisors (see below), whose sum is σ = 28285441020. Its totient is φ = 5028522816.
The previous prime is 12571307053. The next prime is 12571307107. The reversal of 12571307080 is 8070317521.
It is an interprime number because it is at equal distance from previous prime (12571307053) and next prime (12571307107).
It can be written as a sum of positive squares in 2 ways, for example, as 12255818436 + 315488644 = 110706^2 + 17762^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157141299 + ... + 157141378.
Almost surely, 212571307080 is an apocalyptic number.
12571307080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12571307080 is an abundant number, since it is smaller than the sum of its proper divisors (15714133940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12571307080 is a wasteful number, since it uses less digits than its factorization.
12571307080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314282688 (or 314282684 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 34.
The spelling of 12571307080 in words is "twelve billion, five hundred seventy-one million, three hundred seven thousand, eighty".
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