Base | Representation |
---|---|
bin | 11000100011110101… |
… | …11000101001010010 |
3 | 1021000220221101111011 |
4 | 30101322320221102 |
5 | 204001000112210 |
6 | 10020220041134 |
7 | 644515222306 |
oct | 142172705122 |
9 | 37026841434 |
10 | 13185550930 |
11 | 5656999632 |
12 | 267b9931aa |
13 | 132196a356 |
14 | 8d1269d06 |
15 | 5228a4d8a |
hex | 311eb8a52 |
13185550930 has 16 divisors (see below), whose sum is σ = 24552405720. Its totient is φ = 5092350592.
The previous prime is 13185550927. The next prime is 13185550933. The reversal of 13185550930 is 3905558131.
It is an interprime number because it is at equal distance from previous prime (13185550927) and next prime (13185550933).
It can be written as a sum of positive squares in 4 ways, for example, as 8700971841 + 4484579089 = 93279^2 + 66967^2 .
It is not an unprimeable number, because it can be changed into a prime (13185550933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22733419 + ... + 22733998.
Almost surely, 213185550930 is an apocalyptic number.
13185550930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13185550930 is a deficient number, since it is larger than the sum of its proper divisors (11366854790).
13185550930 is a wasteful number, since it uses less digits than its factorization.
13185550930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45467453.
The product of its (nonzero) digits is 81000, while the sum is 40.
The spelling of 13185550930 in words is "thirteen billion, one hundred eighty-five million, five hundred fifty thousand, nine hundred thirty".
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