Base | Representation |
---|---|
bin | 110101110010010010… |
… | …1010110101111000001 |
3 | 102001010200102122010221 |
4 | 1223210211112233001 |
5 | 3343023030204033 |
6 | 125021210423041 |
7 | 11226205024255 |
oct | 1534445265701 |
9 | 361120378127 |
10 | 115504147393 |
11 | 44a92097558 |
12 | 1a476131a81 |
13 | ab7993355b |
14 | 583a1da265 |
15 | 301043612d |
hex | 1ae4956bc1 |
115504147393 has 24 divisors (see below), whose sum is σ = 119233227960. Its totient is φ = 111858485760.
The previous prime is 115504147337. The next prime is 115504147439. The reversal of 115504147393 is 393741405511.
It can be written as a sum of positive squares in 12 ways, for example, as 235070224 + 115269077169 = 15332^2 + 339513^2 .
It is not a de Polignac number, because 115504147393 - 221 = 115502050241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (115504148393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142773573 + ... + 142774381.
It is an arithmetic number, because the mean of its divisors is an integer number (4968051165).
Almost surely, 2115504147393 is an apocalyptic number.
It is an amenable number.
115504147393 is a deficient number, since it is larger than the sum of its proper divisors (3729080567).
115504147393 is an equidigital number, since it uses as much as digits as its factorization.
115504147393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285 (or 1176 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 43.
The spelling of 115504147393 in words is "one hundred fifteen billion, five hundred four million, one hundred forty-seven thousand, three hundred ninety-three".
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