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23890054422528 = 21334724117921
BaseRepresentation
bin1010110111010010101100…
…01101010010000000000000
310010120212101222011011220000
411123221112031102000000
511112403312413010103
6122450534532520000
75013666551031600
oct533512615220000
9103525358134800
1023890054422528
1176807959aaa98
12281a076a80000
131043a8cc58948
145c83db702c00
152b667d8e8aa3
hex15ba56352000

23890054422528 has 840 divisors, whose sum is σ = 85052957682924. Its totient is φ = 6658877030400.

The previous prime is 23890054422499. The next prime is 23890054422529. The reversal of 23890054422528 is 82522445009832.

23890054422528 is a `hidden beast` number, since 2 + 3 + 8 + 90 + 0 + 5 + 4 + 4 + 22 + 528 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15901336571904 + 7988717850624 = 3987648^2 + 2826432^2 .

It is a super-2 number, since 2×238900544225282 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890054422529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1333067008 + ... + 1333084928.

Almost surely, 223890054422528 is an apocalyptic number.

23890054422528 is a gapful number since it is divisible by the number (28) 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 23890054422528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42526478841462).

23890054422528 is an abundant number, since it is smaller than the sum of its proper divisors (61162903260396).

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

23890054422528 is an equidigital number, since it uses as much as digits as its factorization.

23890054422528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18014 (or 17974 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 23890054422528 in words is "twenty-three trillion, eight hundred ninety billion, fifty-four million, four hundred twenty-two thousand, five hundred twenty-eight".