Base | Representation |
---|---|
bin | 10111000010011100… |
… | …10111000000100010 |
3 | 1011220222122120200221 |
4 | 23201032113000202 |
5 | 200312323304300 |
6 | 5403153233254 |
7 | 615335062663 |
oct | 134116270042 |
9 | 34828576627 |
10 | 12368572450 |
11 | 5277811603 |
12 | 249226282a |
13 | 1221621430 |
14 | 85496136a |
15 | 4c5cc731a |
hex | 2e1397022 |
12368572450 has 24 divisors (see below), whose sum is σ = 24775203348. Its totient is φ = 4566857280.
The previous prime is 12368572429. The next prime is 12368572457. The reversal of 12368572450 is 5427586321.
It can be written as a sum of positive squares in 6 ways, for example, as 139972561 + 12228599889 = 11831^2 + 110583^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12368572397 and 12368572406.
It is not an unprimeable number, because it can be changed into a prime (12368572457) 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, 9513637 + ... + 9514936.
Almost surely, 212368572450 is an apocalyptic number.
12368572450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12368572450 is an abundant number, since it is smaller than the sum of its proper divisors (12406630898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12368572450 is a wasteful number, since it uses less digits than its factorization.
12368572450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19028598 (or 19028593 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 43.
The spelling of 12368572450 in words is "twelve billion, three hundred sixty-eight million, five hundred seventy-two thousand, four hundred fifty".
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