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23485369057920 = 273257211194347197
BaseRepresentation
bin1010101011100000111010…
…00101001000001010000000
310002011011211202020121221200
411111300131011020022000
511034241013434323140
6121541010221021200
74642522224136500
oct525603505101200
9102134752217850
1023485369057920
1175350a8630940
1227737566b4800
131014878a12213
145b29ab181a00
152aad959e9030
hex155c1d148280

23485369057920 has 4608 divisors, whose sum is σ = 113783682355200. Its totient is φ = 4397199851520.

The previous prime is 23485369057919. The next prime is 23485369057979. The reversal of 23485369057920 is 2975096358432.

23485369057920 is a `hidden beast` number, since 2 + 3 + 4 + 8 + 5 + 36 + 9 + 0 + 579 + 20 = 666.

It is a super-2 number, since 2×234853690579202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 119215071262 + ... + 119215071458.

It is an arithmetic number, because the mean of its divisors is an integer number (24692639400).

Almost surely, 223485369057920 is an apocalyptic number.

23485369057920 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 23485369057920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56891841177600).

23485369057920 is an abundant number, since it is smaller than the sum of its proper divisors (90298313297280).

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

23485369057920 is a wasteful number, since it uses less digits than its factorization.

23485369057920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 23485369057920 in words is "twenty-three trillion, four hundred eighty-five billion, three hundred sixty-nine million, fifty-seven thousand, nine hundred twenty".