Base | Representation |
---|---|
bin | 10111110111001000… |
… | …00100011100010000 |
3 | 1020001210011100210201 |
4 | 23323210010130100 |
5 | 202213440034214 |
6 | 5515100504544 |
7 | 632312131330 |
oct | 137344043420 |
9 | 36053140721 |
10 | 12810471184 |
11 | 54841a4675 |
12 | 259624b154 |
13 | 1292042884 |
14 | 8975110c0 |
15 | 4ee9b5274 |
hex | 2fb904710 |
12810471184 has 40 divisors (see below), whose sum is σ = 29599355520. Its totient is φ = 5251496448.
The previous prime is 12810471169. The next prime is 12810471257. The reversal of 12810471184 is 48117401821.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483929 + ... + 2489080.
It is an arithmetic number, because the mean of its divisors is an integer number (739983888).
Almost surely, 212810471184 is an apocalyptic number.
12810471184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12810471184 is an abundant number, since it is smaller than the sum of its proper divisors (16788884336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12810471184 is a wasteful number, since it uses less digits than its factorization.
12810471184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4973047 (or 4973041 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 37.
The spelling of 12810471184 in words is "twelve billion, eight hundred ten million, four hundred seventy-one thousand, one hundred eighty-four".
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