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23320111213 = 724710125971
BaseRepresentation
bin10101101101111111…
…001010100001101101
32020012012220101121201
4111231333022201231
5340224422024323
614414010525501
71453615450300
oct255577124155
966165811551
1023320111213
11998765a793
124629a36891
1322784abb99
1411b3218b37
159174928ad
hex56dfca86d

23320111213 has 12 divisors (see below), whose sum is σ = 27704659392. Its totient is φ = 19563374040.

The previous prime is 23320111189. The next prime is 23320111219. The reversal of 23320111213 is 31211102332.

It is a de Polignac number, because none of the positive numbers 2k-23320111213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320111219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5060683 + ... + 5065288.

It is an arithmetic number, because the mean of its divisors is an integer number (2308721616).

Almost surely, 223320111213 is an apocalyptic number.

It is an amenable number.

23320111213 is a deficient number, since it is larger than the sum of its proper divisors (4384548179).

23320111213 is a wasteful number, since it uses less digits than its factorization.

23320111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126032 (or 10126025 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23320111213 its reverse (31211102332), we get a palindrome (54531213545).

The spelling of 23320111213 in words is "twenty-three billion, three hundred twenty million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 7 47 49 329 2303 10125971 70881797 475920637 496172579 3331444459 23320111213