Base | Representation |
---|---|
bin | 100100000010111111… |
… | …100011011000010100 |
3 | 10200220102010122211200 |
4 | 210002333203120110 |
5 | 1113231424420314 |
6 | 25440352432500 |
7 | 2540100251415 |
oct | 440277433024 |
9 | 120812118750 |
10 | 38704920084 |
11 | 15461a11366 |
12 | 7602248730 |
13 | 385a97ab9c |
14 | 1c325ab80c |
15 | 1017e69709 |
hex | 902fe3614 |
38704920084 has 18 divisors (see below), whose sum is σ = 97837436970. Its totient is φ = 12901640016.
The previous prime is 38704920073. The next prime is 38704920101. The reversal of 38704920084 is 48002940783.
38704920084 is a `hidden beast` number, since 3 + 87 + 0 + 492 + 0 + 0 + 84 = 666.
It can be written as a sum of positive squares in only one way, i.e., 37705095684 + 999824400 = 194178^2 + 31620^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537568299 + ... + 537568370.
It is an arithmetic number, because the mean of its divisors is an integer number (5435413165).
Almost surely, 238704920084 is an apocalyptic number.
It is an amenable number.
38704920084 is an abundant number, since it is smaller than the sum of its proper divisors (59132516886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38704920084 is a wasteful number, since it uses less digits than its factorization.
38704920084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075136679 (or 1075136674 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 38704920084 in words is "thirty-eight billion, seven hundred four million, nine hundred twenty thousand, eighty-four".
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