Base | Representation |
---|---|
bin | 1000001000010100001011… |
… | …1111111100001100111011 |
3 | 1011122112222212100100100021 |
4 | 2002011002333330030323 |
5 | 2132423432424012031 |
6 | 31002255234351311 |
7 | 1611550352561152 |
oct | 202050277741473 |
9 | 34575885310307 |
10 | 8938951000891 |
11 | 2936a9589055a |
12 | 100451872b537 |
13 | 4cac29cca992 |
14 | 22c90cbac599 |
15 | 1077c8d19511 |
hex | 82142ffc33b |
8938951000891 has 32 divisors (see below), whose sum is σ = 9528674112000. Its totient is φ = 8382706716384.
The previous prime is 8938951000843. The next prime is 8938951000901. The reversal of 8938951000891 is 1980001598398.
8938951000891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-8938951000891 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8938951000591) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018215340 + ... + 1018224118.
It is an arithmetic number, because the mean of its divisors is an integer number (297771066000).
Almost surely, 28938951000891 is an apocalyptic number.
8938951000891 is a deficient number, since it is larger than the sum of its proper divisors (589723111109).
8938951000891 is an equidigital number, since it uses as much as digits as its factorization.
8938951000891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10480 (or 10434 counting only the distinct ones).
The product of its (nonzero) digits is 5598720, while the sum is 61.
The spelling of 8938951000891 in words is "eight trillion, nine hundred thirty-eight billion, nine hundred fifty-one million, eight hundred ninety-one", and thus it is an aban number.
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