Base | Representation |
---|---|
bin | 10101101000101100… |
… | …001100111011010001 |
3 | 2012222000200222202011 |
4 | 111220230030323101 |
5 | 340034200113400 |
6 | 14401114222521 |
7 | 1451456255104 |
oct | 255054147321 |
9 | 65860628664 |
10 | 23231254225 |
11 | 994148a163 |
12 | 4604124a41 |
13 | 2262c6a29a |
14 | 11a54c873b |
15 | 90e78e8ba |
hex | 568b0ced1 |
23231254225 has 12 divisors (see below), whose sum is σ = 28932556060. Its totient is φ = 18503841600.
The previous prime is 23231254217. The next prime is 23231254253. The reversal of 23231254225 is 52245213232.
It can be written as a sum of positive squares in 6 ways, for example, as 122389969 + 23108864256 = 11063^2 + 152016^2 .
It is not a de Polignac number, because 23231254225 - 23 = 23231254217 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2023206 + ... + 2034655.
Almost surely, 223231254225 is an apocalyptic number.
23231254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23231254225 is a deficient number, since it is larger than the sum of its proper divisors (5701301835).
23231254225 is a wasteful number, since it uses less digits than its factorization.
23231254225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4058100 (or 4058095 counting only the distinct ones).
The product of its digits is 28800, while the sum is 31.
Adding to 23231254225 its reverse (52245213232), we get a palindrome (75476467457).
The spelling of 23231254225 in words is "twenty-three billion, two hundred thirty-one million, two hundred fifty-four thousand, two hundred twenty-five".
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