Base | Representation |
---|---|
bin | 10111000010101110… |
… | …01001001000000000 |
3 | 1011221010222120001010 |
4 | 23201113021020000 |
5 | 200313420444010 |
6 | 5403314440520 |
7 | 615363462420 |
oct | 134127111000 |
9 | 34833876033 |
10 | 12370874880 |
11 | 5279044441 |
12 | 2492b93140 |
13 | 1221c49410 |
14 | 854da0480 |
15 | 4c60ce620 |
hex | 2e15c9200 |
12370874880 has 640 divisors, whose sum is σ = 50332778496. Its totient is φ = 2521497600.
The previous prime is 12370874869. The next prime is 12370874881. The reversal of 12370874880 is 8847807321.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (640).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (12370874881) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21664995 + ... + 21665565.
Almost surely, 212370874880 is an apocalyptic number.
12370874880 is a gapful number since it is divisible by the number (10) 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 12370874880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25166389248).
12370874880 is an abundant number, since it is smaller than the sum of its proper divisors (37961903616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12370874880 is a wasteful number, since it uses less digits than its factorization.
12370874880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648 (or 632 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 48.
The spelling of 12370874880 in words is "twelve billion, three hundred seventy million, eight hundred seventy-four thousand, eight hundred eighty".
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