Base | Representation |
---|---|
bin | 100011111101111100… |
… | …010111100010000000 |
3 | 10200200111201101102020 |
4 | 203331330113202000 |
5 | 1113043232332130 |
6 | 25424124521440 |
7 | 2535021163323 |
oct | 437574274200 |
9 | 120614641366 |
10 | 38620199040 |
11 | 15419106175 |
12 | 75999b0280 |
13 | 38462569a7 |
14 | 1c252367ba |
15 | 10107d1e10 |
hex | 8fdf17880 |
38620199040 has 64 divisors (see below), whose sum is σ = 123101890560. Its totient is φ = 10298719232.
The previous prime is 38620199003. The next prime is 38620199071. The reversal of 38620199040 is 4099102683.
38620199040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 38620198983 and 38620199001.
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, 10055424 + ... + 10059263.
It is an arithmetic number, because the mean of its divisors is an integer number (1923467040).
Almost surely, 238620199040 is an apocalyptic number.
38620199040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38620199040 is an abundant number, since it is smaller than the sum of its proper divisors (84481691520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38620199040 is a wasteful number, since it uses less digits than its factorization.
38620199040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20114709 (or 20114697 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 42.
The spelling of 38620199040 in words is "thirty-eight billion, six hundred twenty million, one hundred ninety-nine thousand, forty".
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