Base | Representation |
---|---|
bin | 10010110101100101… |
… | …00010001011000101 |
3 | 222002210122021222000 |
4 | 21122302202023011 |
5 | 131202430144310 |
6 | 4351303255513 |
7 | 505420124352 |
oct | 113262421305 |
9 | 28083567860 |
10 | 10113131205 |
11 | 431a665181 |
12 | 1b62a4a599 |
13 | c5227ab08 |
14 | 6bd1b1629 |
15 | 3e2ca84c0 |
hex | 25aca22c5 |
10113131205 has 32 divisors (see below), whose sum is σ = 18057465600. Its totient is φ = 5370100416.
The previous prime is 10113131179. The next prime is 10113131213. The reversal of 10113131205 is 50213131101.
It is not a de Polignac number, because 10113131205 - 29 = 10113130693 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132649 + ... + 194478.
It is an arithmetic number, because the mean of its divisors is an integer number (564295800).
Almost surely, 210113131205 is an apocalyptic number.
10113131205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10113131205 is a deficient number, since it is larger than the sum of its proper divisors (7944334395).
10113131205 is a wasteful number, since it uses less digits than its factorization.
10113131205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327370 (or 327364 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 18.
Adding to 10113131205 its reverse (50213131101), we get a palindrome (60326262306).
The spelling of 10113131205 in words is "ten billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred five".
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