Base | Representation |
---|---|
bin | 10111010111011010… |
… | …11010011100000000 |
3 | 1012101020122212112000 |
4 | 23223231122130000 |
5 | 201142342010440 |
6 | 5432435504000 |
7 | 622602235626 |
oct | 135355323400 |
9 | 35336585460 |
10 | 12544485120 |
11 | 5358042382 |
12 | 2521158000 |
13 | 124bbc3a7b |
14 | 870073516 |
15 | 4d6474730 |
hex | 2ebb5a700 |
12544485120 has 144 divisors (see below), whose sum is σ = 44515621920. Its totient is φ = 3345186816.
The previous prime is 12544485097. The next prime is 12544485139. The reversal of 12544485120 is 2158444521.
12544485120 is a `hidden beast` number, since 1 + 2 + 54 + 4 + 485 + 120 = 666.
12544485120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146929 + ... + 216048.
Almost surely, 212544485120 is an apocalyptic number.
12544485120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12544485120 is an abundant number, since it is smaller than the sum of its proper divisors (31971136800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12544485120 is an equidigital number, since it uses as much as digits as its factorization.
12544485120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363007 (or 362987 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The spelling of 12544485120 in words is "twelve billion, five hundred forty-four million, four hundred eighty-five thousand, one hundred twenty".
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