Base | Representation |
---|---|
bin | 100100000000111101… |
… | …100100010011010000 |
3 | 10200211001000110210120 |
4 | 210000331210103100 |
5 | 1113144214021021 |
6 | 25433134230240 |
7 | 2536204521510 |
oct | 440075442320 |
9 | 120731013716 |
10 | 38670845136 |
11 | 15444758350 |
12 | 75b2955380 |
13 | 38538aa1b1 |
14 | 1c2bc5b840 |
15 | 1014e882c6 |
hex | 900f644d0 |
38670845136 has 80 divisors (see below), whose sum is σ = 124550266368. Its totient is φ = 10044374400.
The previous prime is 38670845123. The next prime is 38670845137. The reversal of 38670845136 is 63154807683.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38670845137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5227750 + ... + 5235141.
Almost surely, 238670845136 is an apocalyptic number.
It is an amenable number.
38670845136 is an abundant number, since it is smaller than the sum of its proper divisors (85879421232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38670845136 is a wasteful number, since it uses less digits than its factorization.
38670845136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10462920 (or 10462914 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 51.
The spelling of 38670845136 in words is "thirty-eight billion, six hundred seventy million, eight hundred forty-five thousand, one hundred thirty-six".
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