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23013211011 = 372579342487
BaseRepresentation
bin10101011011101100…
…011011101110000011
32012101211102020200120
4111123230123232003
5334112340223021
614323324551323
71443201031440
oct253354335603
965354366616
1023013211011
11983a3a305a
1245630b2543
132229a3642b
14118456a9c7
158ea56e2c6
hex55bb1bb83

23013211011 has 16 divisors (see below), whose sum is σ = 35069935104. Its totient is φ = 13149586944.

The previous prime is 23013211003. The next prime is 23013211127. The reversal of 23013211011 is 11011231032.

It is a happy number.

It is not a de Polignac number, because 23013211011 - 23 = 23013211003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23013211811) 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, 520410 + ... + 562896.

It is an arithmetic number, because the mean of its divisors is an integer number (2191870944).

Almost surely, 223013211011 is an apocalyptic number.

23013211011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23013211011 is a deficient number, since it is larger than the sum of its proper divisors (12056724093).

23013211011 is a wasteful number, since it uses less digits than its factorization.

23013211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68290.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23013211011 its reverse (11011231032), we get a palindrome (34024442043).

The spelling of 23013211011 in words is "twenty-three billion, thirteen million, two hundred eleven thousand, eleven".

Divisors: 1 3 7 21 25793 42487 77379 127461 180551 297409 541653 892227 1095867191 3287601573 7671070337 23013211011