Base | Representation |
---|---|
bin | 10111010000110010… |
… | …00001100110111000 |
3 | 1012020100220020002100 |
4 | 23220121001212320 |
5 | 201034113341023 |
6 | 5423130303400 |
7 | 621325060353 |
oct | 135031014670 |
9 | 35210806070 |
10 | 12488808888 |
11 | 5329674a66 |
12 | 2506587b60 |
13 | 12404cbb5a |
14 | 8668dd29a |
15 | 4d1627c43 |
hex | 2e86419b8 |
12488808888 has 48 divisors (see below), whose sum is σ = 34610467320. Its totient is φ = 4066122816.
The previous prime is 12488808887. The next prime is 12488808973. The reversal of 12488808888 is 88880888421.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12488808881) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2013831 + ... + 2020022.
Almost surely, 212488808888 is an apocalyptic number.
12488808888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12488808888 is an abundant number, since it is smaller than the sum of its proper divisors (22121658432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12488808888 is a wasteful number, since it uses less digits than its factorization.
12488808888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4033908 (or 4033901 counting only the distinct ones).
The product of its (nonzero) digits is 16777216, while the sum is 63.
The spelling of 12488808888 in words is "twelve billion, four hundred eighty-eight million, eight hundred eight thousand, eight hundred eighty-eight".
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