Base | Representation |
---|---|
bin | 100101001001100010… |
… | …011111111011010100 |
3 | 10210221220020001012001 |
4 | 211021202133323110 |
5 | 1123142423023400 |
6 | 30154032405044 |
7 | 2611321352251 |
oct | 451142377324 |
9 | 123856201161 |
10 | 39888486100 |
11 | 15a0a012aa1 |
12 | 78926a6784 |
13 | 39b8c3a0c8 |
14 | 1d05860428 |
15 | 1086d0aa6a |
hex | 94989fed4 |
39888486100 has 18 divisors (see below), whose sum is σ = 86558015054. Its totient is φ = 15955394400.
The previous prime is 39888486097. The next prime is 39888486101. The reversal of 39888486100 is 168488893.
It can be written as a sum of positive squares in 3 ways, for example, as 5612407056 + 34276079044 = 74916^2 + 185138^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39888486101) 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 5 ways as a sum of consecutive naturals, for example, 199442331 + ... + 199442530.
Almost surely, 239888486100 is an apocalyptic number.
It is an amenable number.
39888486100 is an abundant number, since it is smaller than the sum of its proper divisors (46669528954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39888486100 is a wasteful number, since it uses less digits than its factorization.
39888486100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398884875 (or 398884868 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 55.
The spelling of 39888486100 in words is "thirty-nine billion, eight hundred eighty-eight million, four hundred eighty-six thousand, one hundred".
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