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23113322221 = 117926597609
BaseRepresentation
bin10101100001101010…
…010100111011101101
32012122210210102110011
4111201222110323231
5334314002302341
614341302413221
71445524666033
oct254152247355
965583712404
1023113322221
1198909600a0
124590731211
1322446b8732
14119398a553
15904246b81
hex561a94eed

23113322221 has 8 divisors (see below), whose sum is σ = 25533705600. Its totient is φ = 20746134240.

The previous prime is 23113322191. The next prime is 23113322231. The reversal of 23113322221 is 12222331132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23113322221 - 25 = 23113322189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23113322192 and 23113322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113322231) 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 7 ways as a sum of consecutive naturals, for example, 13297936 + ... + 13299673.

It is an arithmetic number, because the mean of its divisors is an integer number (3191713200).

Almost surely, 223113322221 is an apocalyptic number.

It is an amenable number.

23113322221 is a deficient number, since it is larger than the sum of its proper divisors (2420383379).

23113322221 is a wasteful number, since it uses less digits than its factorization.

23113322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26597699.

The product of its digits is 864, while the sum is 22.

Adding to 23113322221 its reverse (12222331132), we get a palindrome (35335653353).

The spelling of 23113322221 in words is "twenty-three billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 79 869 26597609 292573699 2101211111 23113322221