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23011111132 = 227433773951
BaseRepresentation
bin10101011011100100…
…011011000011011100
32012101200110120012021
4111123210123003130
5334111321024012
614323211545524
71443144134362
oct253344330334
965350416167
1023011111132
119839199419
12456245b2a4
13222947c6b9
141184181632
158ea2a7007
hex55b91b0dc

23011111132 has 12 divisors (see below), whose sum is σ = 40274914176. Its totient is φ = 11503992800.

The previous prime is 23011111129. The next prime is 23011111163. The reversal of 23011111132 is 23111111032.

It is a happy number.

It is a super-2 number, since 2×230111111322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357244 + ... + 416707.

It is an arithmetic number, because the mean of its divisors is an integer number (3356242848).

Almost surely, 223011111132 is an apocalyptic number.

It is an amenable number.

23011111132 is a deficient number, since it is larger than the sum of its proper divisors (17263803044).

23011111132 is a wasteful number, since it uses less digits than its factorization.

23011111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781388 (or 781386 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23011111132 its reverse (23111111032), we get a palindrome (46122222164).

The spelling of 23011111132 in words is "twenty-three billion, eleven million, one hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 7433 14866 29732 773951 1547902 3095804 5752777783 11505555566 23011111132