Base | Representation |
---|---|
bin | 11000010001100101… |
… | …01011100111010010 |
3 | 1020122020202210101122 |
4 | 30020302223213102 |
5 | 203142243433313 |
6 | 5553105402242 |
7 | 640645422122 |
oct | 141062534722 |
9 | 36566683348 |
10 | 13032405458 |
11 | 55884a9126 |
12 | 2638639382 |
13 | 12c9009827 |
14 | 8b8ba2c82 |
15 | 514203708 |
hex | 308cab9d2 |
13032405458 has 18 divisors (see below), whose sum is σ = 19792545381. Its totient is φ = 6435883344.
The previous prime is 13032405457. The next prime is 13032405461. The reversal of 13032405458 is 85450423031.
It can be written as a sum of positive squares in 2 ways, for example, as 11649532489 + 1382872969 = 107933^2 + 37187^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=80723.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13032405457) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14368241 + ... + 14369147.
Almost surely, 213032405458 is an apocalyptic number.
13032405458 is a deficient number, since it is larger than the sum of its proper divisors (6760139923).
13032405458 is an frugal number, since it uses more digits than its factorization.
13032405458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1994 (or 998 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 35.
Adding to 13032405458 its reverse (85450423031), we get a palindrome (98482828489).
The spelling of 13032405458 in words is "thirteen billion, thirty-two million, four hundred five thousand, four hundred fifty-eight".
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