Base | Representation |
---|---|
bin | 10101100010110101… |
… | …111001001000100100 |
3 | 2012201012001211101202 |
4 | 111202311321020210 |
5 | 334334040200200 |
6 | 14343251142032 |
7 | 1446155241326 |
oct | 254265711044 |
9 | 65635054352 |
10 | 23133131300 |
11 | 98a105aa34 |
12 | 45972a4918 |
13 | 2248832c96 |
14 | 1196465616 |
15 | 905d5b1d5 |
hex | 562d79224 |
23133131300 has 18 divisors (see below), whose sum is σ = 50198895138. Its totient is φ = 9253252480.
The previous prime is 23133131299. The next prime is 23133131303. The reversal of 23133131300 is 313133132.
It can be written as a sum of positive squares in 3 ways, for example, as 281367076 + 22851764224 = 16774^2 + 151168^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (23133131303) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115665557 + ... + 115665756.
Almost surely, 223133131300 is an apocalyptic number.
23133131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23133131300 is an abundant number, since it is smaller than the sum of its proper divisors (27065763838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23133131300 is a wasteful number, since it uses less digits than its factorization.
23133131300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231331327 (or 231331320 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 23133131300 its reverse (313133132), we get a palindrome (23446264432).
The spelling of 23133131300 in words is "twenty-three billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred".
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