Base | Representation |
---|---|
bin | 100100001110010001… |
… | …110011111111101001 |
3 | 10201101121101221000220 |
4 | 210032101303333221 |
5 | 1114123412143410 |
6 | 25511234520253 |
7 | 2544556502445 |
oct | 441621637751 |
9 | 121347357026 |
10 | 38894256105 |
11 | 15549880311 |
12 | 7655736089 |
13 | 388ac70333 |
14 | 1c4d7b5825 |
15 | 10298b9070 |
hex | 90e473fe9 |
38894256105 has 32 divisors (see below), whose sum is σ = 64803144960. Its totient is φ = 19895635200.
The previous prime is 38894256103. The next prime is 38894256119. The reversal of 38894256105 is 50165249883.
It is not a de Polignac number, because 38894256105 - 21 = 38894256103 is a prime.
It is a super-2 number, since 2×388942561052 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38894256101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230382 + ... + 361751.
It is an arithmetic number, because the mean of its divisors is an integer number (2025098280).
Almost surely, 238894256105 is an apocalyptic number.
It is an amenable number.
38894256105 is a deficient number, since it is larger than the sum of its proper divisors (25908888855).
38894256105 is a wasteful number, since it uses less digits than its factorization.
38894256105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592321.
The product of its (nonzero) digits is 2073600, while the sum is 51.
The spelling of 38894256105 in words is "thirty-eight billion, eight hundred ninety-four million, two hundred fifty-six thousand, one hundred five".
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