Base | Representation |
---|---|
bin | 10001011101001110110001… |
… | …00000010100010111111001 |
3 | 12000220211111122122220010220 |
4 | 20232213120200110113321 |
5 | 20012421110244400230 |
6 | 213351031412130253 |
7 | 11041265233226034 |
oct | 1056473040242771 |
9 | 160824448586126 |
10 | 38387755075065 |
11 | 11260178a78310 |
12 | 437b979606989 |
13 | 1855c46853516 |
14 | 969d9785601b |
15 | 468848636d10 |
hex | 22e9d88145f9 |
38387755075065 has 32 divisors (see below), whose sum is σ = 67016475242496. Its totient is φ = 18608802202560.
The previous prime is 38387755075039. The next prime is 38387755075123. The reversal of 38387755075065 is 56057055778383.
It is not a de Polignac number, because 38387755075065 - 26 = 38387755075001 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20621907 + ... + 22406216.
It is an arithmetic number, because the mean of its divisors is an integer number (2094264851328).
Almost surely, 238387755075065 is an apocalyptic number.
It is an amenable number.
38387755075065 is a deficient number, since it is larger than the sum of its proper divisors (28628720167431).
38387755075065 is a wasteful number, since it uses less digits than its factorization.
38387755075065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43033549.
The product of its (nonzero) digits is 740880000, while the sum is 69.
The spelling of 38387755075065 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-five million, seventy-five thousand, sixty-five".
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