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23572140312 = 23372109307599
BaseRepresentation
bin10101111101000000…
…100101000100011000
32020211210010210112210
4111331000211010120
5341233431442222
614455012435120
71463065613100
oct257500450430
966753123483
1023572140312
119aa69499a6
12469a318aa0
1322b8782026
1411d88a2200
1592e677d0c
hex57d025118

23572140312 has 192 divisors, whose sum is σ = 69521760000. Its totient is φ = 6640268544.

The previous prime is 23572140311. The next prime is 23572140323. The reversal of 23572140312 is 21304127532.

It is a self number, because there is not a number n which added to its sum of digits gives 23572140312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23572140311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39352189 + ... + 39352787.

It is an arithmetic number, because the mean of its divisors is an integer number (362092500).

Almost surely, 223572140312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23572140312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34760880000).

23572140312 is an abundant number, since it is smaller than the sum of its proper divisors (45949619688).

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

23572140312 is a wasteful number, since it uses less digits than its factorization.

23572140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 23572140312 its reverse (21304127532), we get a palindrome (44876267844).

The spelling of 23572140312 in words is "twenty-three billion, five hundred seventy-two million, one hundred forty thousand, three hundred twelve".