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23222013311 = 721727877567
BaseRepresentation
bin10101101000001000…
…111100110101111111
32012221101022111121002
4111220020330311333
5340024313411221
614400144200515
71451314566500
oct255010746577
965841274532
1023222013311
119937248342
12460100913b
1322610830a3
1411a41a0ba7
1590da6680b
hex56823cd7f

23222013311 has 12 divisors (see below), whose sum is σ = 28602384768. Its totient is φ = 18733724352.

The previous prime is 23222013307. The next prime is 23222013403. The reversal of 23222013311 is 11331022232.

It is not a de Polignac number, because 23222013311 - 22 = 23222013307 is a prime.

It is a super-2 number, since 2×232220133112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222013301) 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, 13937951 + ... + 13939616.

It is an arithmetic number, because the mean of its divisors is an integer number (2383532064).

Almost surely, 223222013311 is an apocalyptic number.

23222013311 is a deficient number, since it is larger than the sum of its proper divisors (5380371457).

23222013311 is a wasteful number, since it uses less digits than its factorization.

23222013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877598 (or 27877591 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23222013311 its reverse (11331022232), we get a palindrome (34553035543).

The spelling of 23222013311 in words is "twenty-three billion, two hundred twenty-two million, thirteen thousand, three hundred eleven".

Divisors: 1 7 17 49 119 833 27877567 195142969 473918639 1366000783 3317430473 23222013311