Base | Representation |
---|---|
bin | 1101101110000… |
… | …01011011101111 |
3 | 22000120000210201 |
4 | 12313001123233 |
5 | 213430241322 |
6 | 15230414331 |
7 | 2565136603 |
oct | 667013357 |
9 | 260500721 |
10 | 115087087 |
11 | 59a666a5 |
12 | 326613a7 |
13 | 1aac698b |
14 | 113db503 |
15 | a184d27 |
hex | 6dc16ef |
115087087 has 2 divisors, whose sum is σ = 115087088. Its totient is φ = 115087086.
The previous prime is 115087079. The next prime is 115087099. The reversal of 115087087 is 780780511.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 115087087 - 23 = 115087079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (115084087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57543543 + 57543544.
It is an arithmetic number, because the mean of its divisors is an integer number (57543544).
Almost surely, 2115087087 is an apocalyptic number.
115087087 is a deficient number, since it is larger than the sum of its proper divisors (1).
115087087 is an equidigital number, since it uses as much as digits as its factorization.
115087087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15680, while the sum is 37.
The square root of 115087087 is about 10727.8649786432. The cubic root of 115087087 is about 486.4171355321.
The spelling of 115087087 in words is "one hundred fifteen million, eighty-seven thousand, eighty-seven".
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