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23013022642 = 2193131934843
BaseRepresentation
bin10101011011101011…
…101101101110110010
32012101211001200021221
4111123223231232302
5334112313211032
614323320535254
71443166315321
oct253353555662
965354050257
1023013022642
11983a284585
12456302152a
13222999b77c
14118451c0b8
158ea533597
hex55baedbb2

23013022642 has 16 divisors (see below), whose sum is σ = 36452460960. Its totient is φ = 10866072672.

The previous prime is 23013022633. The next prime is 23013022673. The reversal of 23013022642 is 24622031032.

It is a super-2 number, since 2×230130226422 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955528 + ... + 979315.

It is an arithmetic number, because the mean of its divisors is an integer number (2278278810).

Almost surely, 223013022642 is an apocalyptic number.

23013022642 is a deficient number, since it is larger than the sum of its proper divisors (13439438318).

23013022642 is a wasteful number, since it uses less digits than its factorization.

23013022642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935177.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23013022642 its reverse (24622031032), we get a palindrome (47635053674).

The spelling of 23013022642 in words is "twenty-three billion, thirteen million, twenty-two thousand, six hundred forty-two".

Divisors: 1 2 19 38 313 626 5947 11894 1934843 3869686 36762017 73524034 605605859 1211211718 11506511321 23013022642