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23531442504 = 2331600761253
BaseRepresentation
bin10101111010100101…
…010101000101001000
32020201221120010122120
4111322211111011020
5341143022130004
614451000251240
71462062650433
oct257245250510
966657503576
1023531442504
119a85982049
124688770b20
1322b020299b
1411d330a81a
1592acd93d9
hex57a955148

23531442504 has 32 divisors (see below), whose sum is σ = 58833241920. Its totient is φ = 7843196096.

The previous prime is 23531442503. The next prime is 23531442511. The reversal of 23531442504 is 40524413532.

It is not an unprimeable number, because it can be changed into a prime (23531442503) 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, 353542 + ... + 414794.

It is an arithmetic number, because the mean of its divisors is an integer number (1838538810).

Almost surely, 223531442504 is an apocalyptic number.

23531442504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23531442504 is an abundant number, since it is smaller than the sum of its proper divisors (35301799416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23531442504 is a wasteful number, since it uses less digits than its factorization.

23531442504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77269 (or 77265 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 23531442504 in words is "twenty-three billion, five hundred thirty-one million, four hundred forty-two thousand, five hundred four".

Divisors: 1 2 3 4 6 8 12 24 16007 32014 48021 61253 64028 96042 122506 128056 183759 192084 245012 367518 384168 490024 735036 1470072 980476771 1960953542 2941430313 3921907084 5882860626 7843814168 11765721252 23531442504