Base | Representation |
---|---|
bin | 110101101001011000… |
… | …0110010000010100010 |
3 | 102000100211211010211221 |
4 | 1223102300302002202 |
5 | 3341420004343210 |
6 | 124531410125254 |
7 | 11215614433300 |
oct | 1532260620242 |
9 | 360324733757 |
10 | 115205152930 |
11 | 4494933a59a |
12 | 1a3b1b8082a |
13 | ab2c9c835a |
14 | 580c609270 |
15 | 2ee40751da |
hex | 1ad2c320a2 |
115205152930 has 24 divisors (see below), whose sum is σ = 241225484508. Its totient is φ = 39498909408.
The previous prime is 115205152921. The next prime is 115205152999. The reversal of 115205152930 is 39251502511.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 113126613649 + 2078539281 = 336343^2 + 45591^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117555789 + ... + 117556768.
Almost surely, 2115205152930 is an apocalyptic number.
115205152930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115205152930 is an abundant number, since it is smaller than the sum of its proper divisors (126020331578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115205152930 is a wasteful number, since it uses less digits than its factorization.
115205152930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235112578 (or 235112571 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 34.
The spelling of 115205152930 in words is "one hundred fifteen billion, two hundred five million, one hundred fifty-two thousand, nine hundred thirty".
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