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23231254225 = 522294057861
BaseRepresentation
bin10101101000101100…
…001100111011010001
32012222000200222202011
4111220230030323101
5340034200113400
614401114222521
71451456255104
oct255054147321
965860628664
1023231254225
11994148a163
124604124a41
132262c6a29a
1411a54c873b
1590e78e8ba
hex568b0ced1

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".

Divisors: 1 5 25 229 1145 5725 4057861 20289305 101446525 929250169 4646250845 23231254225