Base | Representation |
---|---|
bin | 100011111011000000… |
… | …101001100011111100 |
3 | 10200120002010022001112 |
4 | 203323000221203330 |
5 | 1112443133133240 |
6 | 25415210101152 |
7 | 2533553001236 |
oct | 437300514374 |
9 | 120502108045 |
10 | 38570989820 |
11 | 153a33555a0 |
12 | 758541a7b8 |
13 | 3838cb74cc |
14 | 1c1c8a7256 |
15 | 100b311665 |
hex | 8fb0298fc |
38570989820 has 24 divisors (see below), whose sum is σ = 88362631728. Its totient is φ = 14025814400.
The previous prime is 38570989819. The next prime is 38570989859. The reversal of 38570989820 is 2898907583.
38570989820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 38570989820.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87661121 + ... + 87661560.
It is an arithmetic number, because the mean of its divisors is an integer number (3681776322).
Almost surely, 238570989820 is an apocalyptic number.
It is an amenable number.
38570989820 is an abundant number, since it is smaller than the sum of its proper divisors (49791641908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38570989820 is a wasteful number, since it uses less digits than its factorization.
38570989820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175322701 (or 175322699 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 59.
The spelling of 38570989820 in words is "thirty-eight billion, five hundred seventy million, nine hundred eighty-nine thousand, eight hundred twenty".
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