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23231142044 = 22111165745293
BaseRepresentation
bin10101101000101011…
…110001100010011100
32012222000111021212022
4111220223301202130
5340034133021134
614401111555312
71451455310045
oct255053614234
965860437768
1023231142044
119941412950
12460408bb38
132262c2b1c6
1411a54998cc
1590e76b52e
hex568af189c

23231142044 has 24 divisors (see below), whose sum is σ = 44355145968. Its totient is φ = 10558471040.

The previous prime is 23231142037. The next prime is 23231142083. The reversal of 23231142044 is 44024113232.

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 7 ways as a sum of consecutive naturals, for example, 490262 + ... + 535554.

It is an arithmetic number, because the mean of its divisors is an integer number (1848131082).

Almost surely, 223231142044 is an apocalyptic number.

It is an amenable number.

23231142044 is a deficient number, since it is larger than the sum of its proper divisors (21124003924).

23231142044 is a wasteful number, since it uses less digits than its factorization.

23231142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56965 (or 56963 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23231142044 its reverse (44024113232), we get a palindrome (67255255276).

The spelling of 23231142044 in words is "twenty-three billion, two hundred thirty-one million, one hundred forty-two thousand, forty-four".

Divisors: 1 2 4 11 22 44 11657 23314 45293 46628 90586 128227 181172 256454 498223 512908 996446 1992892 527980501 1055961002 2111922004 5807785511 11615571022 23231142044