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20230111132 = 2271165682179
BaseRepresentation
bin10010110101110011…
…101111111110011100
31221012212112010101021
4102311303233332130
5312412402024012
613143225253524
71314215051560
oct226563577634
957185463337
1020230111132
118641408a10
123b070342a4
131ba527567a
14d9caa56a0
157d6072007
hex4b5ceff9c

20230111132 has 24 divisors (see below), whose sum is σ = 44138424960. Its totient is φ = 7881861360.

The previous prime is 20230111039. The next prime is 20230111141. The reversal of 20230111132 is 23111103202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32840782 + ... + 32841397.

It is an arithmetic number, because the mean of its divisors is an integer number (1839101040).

Almost surely, 220230111132 is an apocalyptic number.

20230111132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20230111132 is an abundant number, since it is smaller than the sum of its proper divisors (23908313828).

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

20230111132 is a wasteful number, since it uses less digits than its factorization.

20230111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65682201 (or 65682199 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20230111132 its reverse (23111103202), we get a palindrome (43341214334).

The spelling of 20230111132 in words is "twenty billion, two hundred thirty million, one hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 65682179 131364358 262728716 459775253 722503969 919550506 1445007938 1839101012 2890015876 5057527783 10115055566 20230111132