Base | Representation |
---|---|
bin | 11101100010010101011100… |
… | …010000001010010000000000 |
3 | 122000221120220211022010111201 |
4 | 131202111130100022100000 |
5 | 114011312000400421210 |
6 | 1140140312104550544 |
7 | 36235112213044030 |
oct | 3542253420122000 |
9 | 560846824263451 |
10 | 129902833607680 |
11 | 38433534014561 |
12 | 126a0058182454 |
13 | 5763a27b3baa3 |
14 | 241148b5cd8c0 |
15 | 100410ded653a |
hex | 76255c40a400 |
129902833607680 has 176 divisors, whose sum is σ = 360638932446720. Its totient is φ = 43974339821568.
The previous prime is 129902833607663. The next prime is 129902833607753. The reversal of 129902833607680 is 86706338209921.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20108647 + ... + 25771366.
Almost surely, 2129902833607680 is an apocalyptic number.
129902833607680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
129902833607680 is an abundant number, since it is smaller than the sum of its proper divisors (230736098839040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129902833607680 is an equidigital number, since it uses as much as digits as its factorization.
129902833607680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45880124 (or 45880106 counting only the distinct ones).
The product of its (nonzero) digits is 47029248, while the sum is 64.
The spelling of 129902833607680 in words is "one hundred twenty-nine trillion, nine hundred two billion, eight hundred thirty-three million, six hundred seven thousand, six hundred eighty".
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