Base | Representation |
---|---|
bin | 11000000100000110… |
… | …00100101110000000 |
3 | 1020100100212111212011 |
4 | 30002003010232000 |
5 | 202424312341310 |
6 | 5533544342304 |
7 | 635102626054 |
oct | 140203045600 |
9 | 36310774764 |
10 | 12919262080 |
11 | 552a64a8aa |
12 | 2606774994 |
13 | 12ab74379a |
14 | 8a7b4dc64 |
15 | 50930478a |
hex | 3020c4b80 |
12919262080 has 64 divisors (see below), whose sum is σ = 31257349200. Its totient is φ = 5105422336.
The previous prime is 12919262053. The next prime is 12919262129. The reversal of 12919262080 is 8026291921.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
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, 68485 + ... + 174724.
Almost surely, 212919262080 is an apocalyptic number.
12919262080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12919262080 is an abundant number, since it is smaller than the sum of its proper divisors (18338087120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12919262080 is an equidigital number, since it uses as much as digits as its factorization.
12919262080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243311 (or 243299 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 40.
The spelling of 12919262080 in words is "twelve billion, nine hundred nineteen million, two hundred sixty-two thousand, eighty".
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