Base | Representation |
---|---|
bin | 10110111110110110… |
… | …11101100000110010 |
3 | 1011211212222022221100 |
4 | 23133123131200302 |
5 | 200232120440110 |
6 | 5400155505230 |
7 | 614521054545 |
oct | 133733354062 |
9 | 34755868840 |
10 | 12338452530 |
11 | 526180a008 |
12 | 2484158216 |
13 | 12183069b1 |
14 | 85096085c |
15 | 4c3327bc0 |
hex | 2df6dd832 |
12338452530 has 48 divisors (see below), whose sum is σ = 32947011864. Its totient is φ = 3201327360.
The previous prime is 12338452517. The next prime is 12338452561. The reversal of 12338452530 is 3525483321.
12338452530 is a `hidden beast` number, since 1 + 23 + 3 + 84 + 525 + 30 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 12023780409 + 314672121 = 109653^2 + 17739^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1849291 + ... + 1855950.
Almost surely, 212338452530 is an apocalyptic number.
12338452530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12338452530 is an abundant number, since it is smaller than the sum of its proper divisors (20608559334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12338452530 is a wasteful number, since it uses less digits than its factorization.
12338452530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3705291 (or 3705288 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The spelling of 12338452530 in words is "twelve billion, three hundred thirty-eight million, four hundred fifty-two thousand, five hundred thirty".
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