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23221100024 = 2319971453499
BaseRepresentation
bin10101101000000101…
…011101110111111000
32012221022121002210122
4111220011131313320
5340024100200044
614400112432412
71451304044033
oct255005356770
965838532718
1023221100024
119936784161
124600848708
132260b23495
1411a400401a
1590d935dee
hex56815ddf8

23221100024 has 16 divisors (see below), whose sum is σ = 43561395000. Its totient is φ = 11604728032.

The previous prime is 23221100011. The next prime is 23221100027. The reversal of 23221100024 is 42000112232.

It is a super-2 number, since 2×232211000242 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23221099975 and 23221100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710774 + ... + 742725.

Almost surely, 223221100024 is an apocalyptic number.

It is an amenable number.

23221100024 is a deficient number, since it is larger than the sum of its proper divisors (20340294976).

23221100024 is a wasteful number, since it uses less digits than its factorization.

23221100024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455502 (or 1455498 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23221100024 its reverse (42000112232), we get a palindrome (65221212256).

The spelling of 23221100024 in words is "twenty-three billion, two hundred twenty-one million, one hundred thousand, twenty-four".

Divisors: 1 2 4 8 1997 3994 7988 15976 1453499 2906998 5813996 11627992 2902637503 5805275006 11610550012 23221100024