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23431013022 = 2330231291819
BaseRepresentation
bin10101110100100110…
…001110001010011110
32020110221120210022010
4111310212032022132
5340441314404042
614433011532050
71456433216214
oct256446161236
966427523263
1023431013022
119a3421797a
12465abba026
13229546b861
1411c3c46cb4
1592209c59c
hex57498e29e

23431013022 has 16 divisors (see below), whose sum is σ = 46877564160. Its totient is φ = 7807747992.

The previous prime is 23431013003. The next prime is 23431013027. The reversal of 23431013022 is 22031013432.

It is a self number, because there is not a number n which added to its sum of digits gives 23431013022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431013027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627772 + ... + 664047.

It is an arithmetic number, because the mean of its divisors is an integer number (2929847760).

Almost surely, 223431013022 is an apocalyptic number.

23431013022 is an abundant number, since it is smaller than the sum of its proper divisors (23446551138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431013022 is a wasteful number, since it uses less digits than its factorization.

23431013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294847.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23431013022 its reverse (22031013432), we get a palindrome (45462026454).

The spelling of 23431013022 in words is "twenty-three billion, four hundred thirty-one million, thirteen thousand, twenty-two".

Divisors: 1 2 3 6 3023 6046 9069 18138 1291819 2583638 3875457 7750914 3905168837 7810337674 11715506511 23431013022