Base | Representation |
---|---|
bin | 110101101001001111… |
… | …0110001000110111001 |
3 | 102000100111221012220220 |
4 | 1223102132301012321 |
5 | 3341412302234041 |
6 | 124531121010253 |
7 | 11215526334321 |
oct | 1532236610671 |
9 | 360314835826 |
10 | 115200430521 |
11 | 44946704580 |
12 | 1a3b0483989 |
13 | ab2ba33a27 |
14 | 580bb3a281 |
15 | 2ee3940d66 |
hex | 1ad27b11b9 |
115200430521 has 16 divisors (see below), whose sum is σ = 177420984768. Its totient is φ = 65711475200.
The previous prime is 115200430511. The next prime is 115200430529. The reversal of 115200430521 is 125034002511.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 115200430521 - 217 = 115200299449 is a prime.
It is a super-2 number, since 2×1152004305212 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 115200430491 and 115200430500.
It is not an unprimeable number, because it can be changed into a prime (115200430529) 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, 102673620 + ... + 102674741.
It is an arithmetic number, because the mean of its divisors is an integer number (11088811548).
Almost surely, 2115200430521 is an apocalyptic number.
115200430521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
115200430521 is a deficient number, since it is larger than the sum of its proper divisors (62220554247).
115200430521 is a wasteful number, since it uses less digits than its factorization.
115200430521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205348392.
The product of its (nonzero) digits is 1200, while the sum is 24.
The spelling of 115200430521 in words is "one hundred fifteen billion, two hundred million, four hundred thirty thousand, five hundred twenty-one".
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