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23420189547216 = 243272111731744187
BaseRepresentation
bin1010101001100111100000…
…00101000001101011010000
310001220221121021111102020200
411110303300011001223100
511032204022011002331
6121451030405535200
74635024062344500
oct524636005015320
9101827537442220
1023420189547216
11750a4a0488820
122762ba6114500
13100b68c1941c7
145ad78685da00
152a932d6d15e6
hex154cf0141ad0

23420189547216 has 360 divisors, whose sum is σ = 83657270440224. Its totient is φ = 6047999838720.

The previous prime is 23420189547193. The next prime is 23420189547233. The reversal of 23420189547216 is 61274598102432.

It is a happy number.

23420189547216 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 0 + 1 + 89 + 547 + 2 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12555475 + ... + 14299661.

It is a 1-persistent number, because it is pandigital, but 2⋅23420189547216 = 46840379094432 is not.

Almost surely, 223420189547216 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 23420189547216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41828635220112).

23420189547216 is an abundant number, since it is smaller than the sum of its proper divisors (60237080893008).

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

23420189547216 is a wasteful number, since it uses less digits than its factorization.

23420189547216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744399 (or 1744383 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 23420189547216 in words is "twenty-three trillion, four hundred twenty billion, one hundred eighty-nine million, five hundred forty-seven thousand, two hundred sixteen".