Base | Representation |
---|---|
bin | 100011100010100111… |
… | …000101110101001000 |
3 | 10122111112212000010010 |
4 | 203202213011311020 |
5 | 1111123334333210 |
6 | 25310424151520 |
7 | 2520452362656 |
oct | 434247056510 |
9 | 118445760103 |
10 | 38161636680 |
11 | 15203281512 |
12 | 74903085a0 |
13 | 37a224c90b |
14 | 1bc0389dd6 |
15 | ed5401920 |
hex | 8e29c5d48 |
38161636680 has 64 divisors (see below), whose sum is σ = 114964012800. Its totient is φ = 10133849600.
The previous prime is 38161636673. The next prime is 38161636717. The reversal of 38161636680 is 8663616183.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636621 + ... + 693980.
It is an arithmetic number, because the mean of its divisors is an integer number (1796312700).
Almost surely, 238161636680 is an apocalyptic number.
38161636680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38161636680 is an abundant number, since it is smaller than the sum of its proper divisors (76802376120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38161636680 is a wasteful number, since it uses less digits than its factorization.
38161636680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1330854 (or 1330850 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 48.
The spelling of 38161636680 in words is "thirty-eight billion, one hundred sixty-one million, six hundred thirty-six thousand, six hundred eighty".
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