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23191411411 = 737241137139
BaseRepresentation
bin10101100110010100…
…001101101011010011
32012212020201202200101
4111212110031223103
5334444000131121
614353132233231
71450463513230
oct254624155323
965766652611
1023191411411
119920a46713
1245b290b817
13225792a15c
1411a00b6787
1590b01e491
hex56650dad3

23191411411 has 16 divisors (see below), whose sum is σ = 27232830720. Its totient is φ = 19332557280.

The previous prime is 23191411367. The next prime is 23191411417. The reversal of 23191411411 is 11411419132.

It is a cyclic number.

It is not a de Polignac number, because 23191411411 - 211 = 23191409363 is a prime.

It is a super-2 number, since 2×231914114112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23191411411.

It is not an unprimeable number, because it can be changed into a prime (23191411417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605880 + ... + 643018.

It is an arithmetic number, because the mean of its divisors is an integer number (1702051920).

Almost surely, 223191411411 is an apocalyptic number.

23191411411 is a deficient number, since it is larger than the sum of its proper divisors (4041419309).

23191411411 is a wasteful number, since it uses less digits than its factorization.

23191411411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39594.

The product of its digits is 864, while the sum is 28.

The spelling of 23191411411 in words is "twenty-three billion, one hundred ninety-one million, four hundred eleven thousand, four hundred eleven".

Divisors: 1 7 37 259 2411 16877 37139 89207 259973 624449 1374143 9619001 89542129 626794903 3313058773 23191411411