Base | Representation |
---|---|
bin | 110101100111100000… |
… | …1110100011111010001 |
3 | 102000012110221120122121 |
4 | 1223033001310133101 |
5 | 3341302440314140 |
6 | 124521251334241 |
7 | 11214224122366 |
oct | 1531701643721 |
9 | 360173846577 |
10 | 115142510545 |
11 | 44916a44427 |
12 | 1a394bb1381 |
13 | ab1ca3475a |
14 | 580418046d |
15 | 2edd7ee64a |
hex | 1acf0747d1 |
115142510545 has 16 divisors (see below), whose sum is σ = 140665002192. Its totient is φ = 90462182400.
The previous prime is 115142510543. The next prime is 115142510579. The reversal of 115142510545 is 545015241511.
It can be written as a sum of positive squares in 8 ways, for example, as 1335463936 + 113807046609 = 36544^2 + 337353^2 .
It is not a de Polignac number, because 115142510545 - 21 = 115142510543 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 115142510545.
It is not an unprimeable number, because it can be changed into a prime (115142510543) 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, 591906 + ... + 761995.
It is an arithmetic number, because the mean of its divisors is an integer number (8791562637).
Almost surely, 2115142510545 is an apocalyptic number.
It is an amenable number.
115142510545 is a deficient number, since it is larger than the sum of its proper divisors (25522491647).
115142510545 is a wasteful number, since it uses less digits than its factorization.
115142510545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1354212.
The product of its (nonzero) digits is 20000, while the sum is 34.
The spelling of 115142510545 in words is "one hundred fifteen billion, one hundred forty-two million, five hundred ten thousand, five hundred forty-five".
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