Base | Representation |
---|---|
bin | 110101110101011000… |
… | …1010001000000100001 |
3 | 102001101220201111011212 |
4 | 1223222301101000201 |
5 | 3343231112323321 |
6 | 125035355115505 |
7 | 11231605134143 |
oct | 1535261210041 |
9 | 361356644155 |
10 | 115607932961 |
11 | 45035734154 |
12 | 1a4a4a42b95 |
13 | ab952a1131 |
14 | 5849cd4c93 |
15 | 30195d755b |
hex | 1aeac51021 |
115607932961 has 4 divisors (see below), whose sum is σ = 115635909012. Its totient is φ = 115579956912.
The previous prime is 115607932949. The next prime is 115607932981. The reversal of 115607932961 is 169239706511.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169239706511 = 757 ⋅223566323.
It can be written as a sum of positive squares in 2 ways, for example, as 56510322961 + 59097610000 = 237719^2 + 243100^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-115607932961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (115607932901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13981826 + ... + 13990091.
It is an arithmetic number, because the mean of its divisors is an integer number (28908977253).
Almost surely, 2115607932961 is an apocalyptic number.
It is an amenable number.
115607932961 is a deficient number, since it is larger than the sum of its proper divisors (27976051).
115607932961 is an equidigital number, since it uses as much as digits as its factorization.
115607932961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27976050.
The product of its (nonzero) digits is 612360, while the sum is 50.
The spelling of 115607932961 in words is "one hundred fifteen billion, six hundred seven million, nine hundred thirty-two thousand, nine hundred sixty-one".
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