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23011331132 = 2230718738869
BaseRepresentation
bin10101011011100101…
…010000110000111100
32012101200212201222102
4111123211100300330
5334111400044012
614323220404232
71443146041646
oct253345206074
965350781872
1023011331132
119839329739
124562546678
13222952888a
1411841db896
158ea2ec2c2
hex55b950c3c

23011331132 has 12 divisors (see below), whose sum is σ = 40401003720. Its totient is φ = 11468187216.

The previous prime is 23011331047. The next prime is 23011331143. The reversal of 23011331132 is 23113311032.

It is a congruent number.

It is an unprimeable number.

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, 9368207 + ... + 9370662.

It is an arithmetic number, because the mean of its divisors is an integer number (3366750310).

Almost surely, 223011331132 is an apocalyptic number.

It is an amenable number.

23011331132 is a deficient number, since it is larger than the sum of its proper divisors (17389672588).

23011331132 is a wasteful number, since it uses less digits than its factorization.

23011331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739180 (or 18739178 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23011331132 its reverse (23113311032), we get a palindrome (46124642164).

The spelling of 23011331132 in words is "twenty-three billion, eleven million, three hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 307 614 1228 18738869 37477738 74955476 5752832783 11505665566 23011331132