Base | Representation |
---|---|
bin | 10001100101101100100110… |
… | …10010000000101111100100 |
3 | 12001221122100201120000101021 |
4 | 20302312103102000233210 |
5 | 20032202334234112433 |
6 | 214132421023340524 |
7 | 11101304016633211 |
oct | 1062662322005744 |
9 | 161848321500337 |
10 | 38678651472868 |
11 | 11362584451530 |
12 | 4408222151744 |
13 | 18774c55c9864 |
14 | 97a0b18d4b08 |
15 | 4711c19a222d |
hex | 232d93480be4 |
38678651472868 has 48 divisors (see below), whose sum is σ = 77768803123200. Its totient is φ = 16647013723680.
The previous prime is 38678651472841. The next prime is 38678651472911. The reversal of 38678651472868 is 86827415687683.
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, 10740580 + ... + 13882267.
It is an arithmetic number, because the mean of its divisors is an integer number (1620183398400).
Almost surely, 238678651472868 is an apocalyptic number.
38678651472868 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
38678651472868 is an abundant number, since it is smaller than the sum of its proper divisors (39090151650332).
38678651472868 is a wasteful number, since it uses less digits than its factorization.
38678651472868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24624760 (or 24624758 counting only the distinct ones).
The product of its digits is 5202247680, while the sum is 79.
The spelling of 38678651472868 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, four hundred seventy-two thousand, eight hundred sixty-eight".
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