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23412132520 = 235783614759
BaseRepresentation
bin10101110011011110…
…001100101010101000
32020102122001120010021
4111303132030222220
5340422001220040
614431055130224
71456113562060
oct256336145250
966378046107
1023412132520
119a245a1757
124654813974
13229158ab6a
1411c15303a0
159205bd24a
hex57378caa8

23412132520 has 32 divisors (see below), whose sum is σ = 60202627200. Its totient is φ = 8027016768.

The previous prime is 23412132509. The next prime is 23412132521. The reversal of 23412132520 is 2523121432.

It is not an unprimeable number, because it can be changed into a prime (23412132521) 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, 41807100 + ... + 41807659.

It is an arithmetic number, because the mean of its divisors is an integer number (1881332100).

Almost surely, 223412132520 is an apocalyptic number.

23412132520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23412132520 is an abundant number, since it is smaller than the sum of its proper divisors (36790494680).

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

23412132520 is a wasteful number, since it uses less digits than its factorization.

23412132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83614777 (or 83614773 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23412132520 its reverse (2523121432), we get a palindrome (25935253952).

The spelling of 23412132520 in words is "twenty-three billion, four hundred twelve million, one hundred thirty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 83614759 167229518 334459036 418073795 585303313 668918072 836147590 1170606626 1672295180 2341213252 2926516565 3344590360 4682426504 5853033130 11706066260 23412132520