Base | Representation |
---|---|
bin | 10001101011010011000101… |
… | …00001100011100110000001 |
3 | 12002122001010021120101110100 |
4 | 20311221202201203212001 |
5 | 20043331011342230023 |
6 | 214401050125153013 |
7 | 11121226160565525 |
oct | 1065514241434601 |
9 | 162561107511410 |
10 | 38871106992513 |
11 | 114271645909a4 |
12 | 44395930bb769 |
13 | 188c6b6885a73 |
14 | 98552ba05d85 |
15 | 4761d7909c43 |
hex | 235a62863981 |
38871106992513 has 12 divisors (see below), whose sum is σ = 57098801232720. Its totient is φ = 25474849780056.
The previous prime is 38871106992511. The next prime is 38871106992541. The reversal of 38871106992513 is 31529960117883.
38871106992513 is a `hidden beast` number, since 3 + 8 + 8 + 7 + 1 + 106 + 9 + 9 + 2 + 513 = 666.
It is not a de Polignac number, because 38871106992513 - 21 = 38871106992511 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38871106992511) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 36601795131 + ... + 36601796192.
It is an arithmetic number, because the mean of its divisors is an integer number (4758233436060).
Almost surely, 238871106992513 is an apocalyptic number.
It is an amenable number.
38871106992513 is a deficient number, since it is larger than the sum of its proper divisors (18227694240207).
38871106992513 is a wasteful number, since it uses less digits than its factorization.
38871106992513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73203591388 (or 73203591385 counting only the distinct ones).
The product of its (nonzero) digits is 19595520, while the sum is 63.
The spelling of 38871106992513 in words is "thirty-eight trillion, eight hundred seventy-one billion, one hundred six million, nine hundred ninety-two thousand, five hundred thirteen".
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