Base | Representation |
---|---|
bin | 110101100110010101… |
… | …1111110110111010010 |
3 | 102000002202000222212000 |
4 | 1223030223332313102 |
5 | 3341212411401232 |
6 | 124513325414430 |
7 | 11213236216143 |
oct | 1531453766722 |
9 | 360082028760 |
10 | 115103231442 |
11 | 448a6856461 |
12 | 1a383a0a416 |
13 | ab14861094 |
14 | 57dcc77aca |
15 | 2eda14127c |
hex | 1accafedd2 |
115103231442 has 32 divisors (see below), whose sum is σ = 255798907200. Its totient is φ = 38365651584.
The previous prime is 115103231417. The next prime is 115103231471. The reversal of 115103231442 is 244132301511.
115103231442 is a `hidden beast` number, since 1 + 1 + 510 + 3 + 2 + 3 + 144 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185409 + ... + 1278827.
It is an arithmetic number, because the mean of its divisors is an integer number (7993715850).
Almost surely, 2115103231442 is an apocalyptic number.
115103231442 is an abundant number, since it is smaller than the sum of its proper divisors (140695675758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115103231442 is a wasteful number, since it uses less digits than its factorization.
115103231442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116247 (or 116241 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 115103231442 its reverse (244132301511), we get a palindrome (359235532953).
The spelling of 115103231442 in words is "one hundred fifteen billion, one hundred three million, two hundred thirty-one thousand, four hundred forty-two".
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