Base | Representation |
---|---|
bin | 1101101111010… |
… | …10011101010001 |
3 | 22000212120022012 |
4 | 12313222131101 |
5 | 214001130441 |
6 | 15234152305 |
7 | 2566436522 |
oct | 667523521 |
9 | 260776265 |
10 | 115255121 |
11 | 5a070973 |
12 | 32722695 |
13 | 1ab552c7 |
14 | 11442849 |
15 | a1b99eb |
hex | 6dea751 |
115255121 has 16 divisors (see below), whose sum is σ = 129081600. Its totient is φ = 102267648.
The previous prime is 115255103. The next prime is 115255123. The reversal of 115255121 is 121552511.
It is not a de Polignac number, because 115255121 - 214 = 115238737 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (115255123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76451 + ... + 77943.
It is an arithmetic number, because the mean of its divisors is an integer number (8067600).
Almost surely, 2115255121 is an apocalyptic number.
It is an amenable number.
115255121 is a deficient number, since it is larger than the sum of its proper divisors (13826479).
115255121 is a wasteful number, since it uses less digits than its factorization.
115255121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1768.
The product of its digits is 500, while the sum is 23.
The square root of 115255121 is about 10735.6937828908. The cubic root of 115255121 is about 486.6537530716.
The spelling of 115255121 in words is "one hundred fifteen million, two hundred fifty-five thousand, one hundred twenty-one".
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