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23011101011 = 31742293581
BaseRepresentation
bin10101011011100100…
…011000100101010011
32012101200110001022102
4111123210120211103
5334111320213021
614323211431015
71443144063023
oct253344304523
965350401272
1023011101011
119839191858
12456245546b
132229477c02
14118417ba83
158ea2a400b
hex55b918953

23011101011 has 4 divisors (see below), whose sum is σ = 23753394624. Its totient is φ = 22268807400.

The previous prime is 23011100951. The next prime is 23011101031. The reversal of 23011101011 is 11010111032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23011101011 - 222 = 23006906707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23011100983 and 23011101001.

It is not an unprimeable number, because it can be changed into a prime (23011101031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371146760 + ... + 371146821.

It is an arithmetic number, because the mean of its divisors is an integer number (5938348656).

Almost surely, 223011101011 is an apocalyptic number.

23011101011 is a deficient number, since it is larger than the sum of its proper divisors (742293613).

23011101011 is an equidigital number, since it uses as much as digits as its factorization.

23011101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742293612.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 23011101011 its reverse (11010111032), we get a palindrome (34021212043).

The spelling of 23011101011 in words is "twenty-three billion, eleven million, one hundred one thousand, eleven".

Divisors: 1 31 742293581 23011101011