Base | Representation |
---|---|
bin | 1111000111000100… |
… | …11111111001111011 |
3 | 202221100222121002021 |
4 | 13203202133321323 |
5 | 113103241021112 |
6 | 3420553415311 |
7 | 405014410246 |
oct | 74342377173 |
9 | 22840877067 |
10 | 8112438907 |
11 | 3493295471 |
12 | 16a4a0a537 |
13 | 9c3920611 |
14 | 56d5b625d |
15 | 32730a907 |
hex | 1e389fe7b |
8112438907 has 2 divisors, whose sum is σ = 8112438908. Its totient is φ = 8112438906.
The previous prime is 8112438899. The next prime is 8112438937. The reversal of 8112438907 is 7098342118.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 8112438907 - 23 = 8112438899 is a prime.
It is not a weakly prime, because it can be changed into another prime (8112438937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056219453 + 4056219454.
It is an arithmetic number, because the mean of its divisors is an integer number (4056219454).
Almost surely, 28112438907 is an apocalyptic number.
8112438907 is a deficient number, since it is larger than the sum of its proper divisors (1).
8112438907 is an equidigital number, since it uses as much as digits as its factorization.
8112438907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 8112438907 is about 90069.0785286493. The cubic root of 8112438907 is about 2009.3263509049.
The spelling of 8112438907 in words is "eight billion, one hundred twelve million, four hundred thirty-eight thousand, nine hundred seven".
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