Base | Representation |
---|---|
bin | 10001100101101100111111… |
… | …10100101010100111100000 |
3 | 12001221122220101111000000102 |
4 | 20302312133310222213200 |
5 | 20032203302120240442 |
6 | 214132453541241532 |
7 | 11101312153251320 |
oct | 1062663764524740 |
9 | 161848811430012 |
10 | 38678861883872 |
11 | 113626821a5421 |
12 | 44082807032a8 |
13 | 187752a08a802 |
14 | 97a0d1827280 |
15 | 4711d51b6232 |
hex | 232d9fd2a9e0 |
38678861883872 has 48 divisors (see below), whose sum is σ = 89051333196672. Its totient is φ = 16191151482240.
The previous prime is 38678861883799. The next prime is 38678861883881. The reversal of 38678861883872 is 27838816887683.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007821654 + ... + 2007840917.
It is an arithmetic number, because the mean of its divisors is an integer number (1855236108264).
Almost surely, 238678861883872 is an apocalyptic number.
38678861883872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
38678861883872 is an abundant number, since it is smaller than the sum of its proper divisors (50372471312800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38678861883872 is a wasteful number, since it uses less digits than its factorization.
38678861883872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4015662631 (or 4015662623 counting only the distinct ones).
The product of its digits is 8323596288, while the sum is 83.
The spelling of 38678861883872 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-one million, eight hundred eighty-three thousand, eight hundred seventy-two".
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