Base | Representation |
---|---|
bin | 100100010011000100… |
… | …000000001011100110 |
3 | 10201121012102212021000 |
4 | 210103010000023212 |
5 | 1114304434201321 |
6 | 25523223134130 |
7 | 2546552654163 |
oct | 442304001346 |
9 | 121535385230 |
10 | 38974522086 |
11 | 15590113335 |
12 | 76785a4346 |
13 | 38a17947b6 |
14 | 1c5a30b06a |
15 | 1031971826 |
hex | 9131002e6 |
38974522086 has 32 divisors (see below), whose sum is σ = 86617681920. Its totient is φ = 12990362472.
The previous prime is 38974522079. The next prime is 38974522087. The reversal of 38974522086 is 68022547983.
38974522086 is a `hidden beast` number, since 3 + 8 + 97 + 452 + 20 + 86 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38974522087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773871 + ... + 822693.
It is an arithmetic number, because the mean of its divisors is an integer number (2706802560).
Almost surely, 238974522086 is an apocalyptic number.
38974522086 is an abundant number, since it is smaller than the sum of its proper divisors (47643159834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38974522086 is a wasteful number, since it uses less digits than its factorization.
38974522086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63617 (or 63611 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 38974522086 in words is "thirty-eight billion, nine hundred seventy-four million, five hundred twenty-two thousand, eighty-six".
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