Base | Representation |
---|---|
bin | 10111001111110010… |
… | …10000000000000000 |
3 | 1012012210020000221120 |
4 | 23213321100000000 |
5 | 201030000313412 |
6 | 5422231552240 |
7 | 621164215554 |
oct | 134771200000 |
9 | 35183200846 |
10 | 12480479232 |
11 | 53249a5851 |
12 | 250382b680 |
13 | 123b873670 |
14 | 865771864 |
15 | 4d0a2eb8c |
hex | 2e7e50000 |
12480479232 has 272 divisors, whose sum is σ = 37874276160. Its totient is φ = 3623878656.
The previous prime is 12480479197. The next prime is 12480479233. The reversal of 12480479232 is 23297408421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12480479233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48562048 + ... + 48562304.
Almost surely, 212480479232 is an apocalyptic number.
12480479232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12480479232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18937138080).
12480479232 is an abundant number, since it is smaller than the sum of its proper divisors (25393796928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12480479232 is an equidigital number, since it uses as much as digits as its factorization.
12480479232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324 (or 294 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 12480479232 in words is "twelve billion, four hundred eighty million, four hundred seventy-nine thousand, two hundred thirty-two".
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