Base | Representation |
---|---|
bin | 100100001110101110… |
… | …000001110010111001 |
3 | 10201102010022201012120 |
4 | 210032232001302321 |
5 | 1114132310341130 |
6 | 25512101231453 |
7 | 2545006406661 |
oct | 441656016271 |
9 | 121363281176 |
10 | 38901652665 |
11 | 15552a72477 |
12 | 7658102589 |
13 | 388c65cbb5 |
14 | 1c5077d1a1 |
15 | 102a37a910 |
hex | 90eb81cb9 |
38901652665 has 32 divisors (see below), whose sum is σ = 62415814656. Its totient is φ = 20689905600.
The previous prime is 38901652597. The next prime is 38901652681. The reversal of 38901652665 is 56625610983.
It is not a de Polignac number, because 38901652665 - 213 = 38901644473 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13643490 + ... + 13646340.
It is an arithmetic number, because the mean of its divisors is an integer number (1950494208).
Almost surely, 238901652665 is an apocalyptic number.
It is an amenable number.
38901652665 is a deficient number, since it is larger than the sum of its proper divisors (23514161991).
38901652665 is a wasteful number, since it uses less digits than its factorization.
38901652665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5069.
The product of its (nonzero) digits is 2332800, while the sum is 51.
The spelling of 38901652665 in words is "thirty-eight billion, nine hundred one million, six hundred fifty-two thousand, six hundred sixty-five".
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