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23242320988 = 2219353386561
BaseRepresentation
bin10101101001010110…
…011010110001011100
32012222210112020111021
4111221112122301130
5340100013232423
614402151333524
71451652316525
oct255126326134
965883466437
1023242320988
119947758847
1246079812a4
132265343573
1411a6b6984c
1591072895d
hex56959ac5c

23242320988 has 24 divisors (see below), whose sum is σ = 42827415120. Its totient is φ = 11006277120.

The previous prime is 23242320979. The next prime is 23242320989. The reversal of 23242320988 is 88902324232.

It is a super-2 number, since 2×232423209882 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242320989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225228 + ... + 311788.

It is an arithmetic number, because the mean of its divisors is an integer number (1784475630).

Almost surely, 223242320988 is an apocalyptic number.

It is an amenable number.

23242320988 is a deficient number, since it is larger than the sum of its proper divisors (19585094132).

23242320988 is a wasteful number, since it uses less digits than its factorization.

23242320988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90117 (or 90115 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 23242320988 in words is "twenty-three billion, two hundred forty-two million, three hundred twenty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 19 38 76 3533 7066 14132 67127 86561 134254 173122 268508 346244 1644659 3289318 6578636 305820013 611640026 1223280052 5810580247 11621160494 23242320988