Base | Representation |
---|---|
bin | 100100011111110101… |
… | …011010010100101100 |
3 | 10202011010122100102010 |
4 | 210133311122110230 |
5 | 1120224313111222 |
6 | 30000400001220 |
7 | 2555064211410 |
oct | 443765322454 |
9 | 122133570363 |
10 | 39188800812 |
11 | 15690069097 |
12 | 7718300210 |
13 | 3906cab045 |
14 | 1c7a968d40 |
15 | 104569b80c |
hex | 91fd5a52c |
39188800812 has 48 divisors (see below), whose sum is σ = 104937147392. Its totient is φ = 11150334720.
The previous prime is 39188800799. The next prime is 39188800853. The reversal of 39188800812 is 21800888193.
It is a super-2 number, since 2×391888008122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947668 + ... + 988155.
Almost surely, 239188800812 is an apocalyptic number.
It is an amenable number.
39188800812 is an abundant number, since it is smaller than the sum of its proper divisors (65748346580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39188800812 is a wasteful number, since it uses less digits than its factorization.
39188800812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1936078 (or 1936076 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 48.
The spelling of 39188800812 in words is "thirty-nine billion, one hundred eighty-eight million, eight hundred thousand, eight hundred twelve".
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