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23116373280 = 253257211132979
BaseRepresentation
bin10101100001110101…
…111101110100100000
32012200000112102201100
4111201311331310200
5334320242421110
614341452034400
71445562634200
oct254165756440
965600472640
1023116373280
119892654430
124591762a00
1322452163b0
141194142400
1590464abc0
hex561d7dd20

23116373280 has 1728 divisors, whose sum is σ = 112935513600. Its totient is φ = 4226826240.

The previous prime is 23116373257. The next prime is 23116373317. The reversal of 23116373280 is 8237361132.

23116373280 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 6 + 373 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 292612281 + ... + 292612359.

It is an arithmetic number, because the mean of its divisors is an integer number (65356200).

Almost surely, 223116373280 is an apocalyptic number.

23116373280 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 23116373280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56467756800).

23116373280 is an abundant number, since it is smaller than the sum of its proper divisors (89819140320).

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

23116373280 is a wasteful number, since it uses less digits than its factorization.

23116373280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 23116373280 in words is "twenty-three billion, one hundred sixteen million, three hundred seventy-three thousand, two hundred eighty".