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23152578835620 = 223513131233972473
BaseRepresentation
bin1010100001110101000010…
…01111001011010010100100
310000222100212000201201101210
411100322201033023102210
511013312440140214440
6121124051535351420
74606501326002313
oct520724117132244
9100870760651353
1023152578835620
117416a54191273
12271b15b982570
13cbc381735910
145a083b1d827a
152a23b97a8a80
hex150ea13cb4a4

23152578835620 has 192 divisors, whose sum is σ = 70648851297024. Its totient is φ = 5631313059840.

The previous prime is 23152578835601. The next prime is 23152578835621. The reversal of 23152578835620 is 2653887525132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23152578835621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23321704 + ... + 24294176.

It is an arithmetic number, because the mean of its divisors is an integer number (367962767172).

Almost surely, 223152578835620 is an apocalyptic number.

23152578835620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23152578835620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35324425648512).

23152578835620 is an abundant number, since it is smaller than the sum of its proper divisors (47496272461404).

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

23152578835620 is a wasteful number, since it uses less digits than its factorization.

23152578835620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972862 (or 972860 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 23152578835620 in words is "twenty-three trillion, one hundred fifty-two billion, five hundred seventy-eight million, eight hundred thirty-five thousand, six hundred twenty".