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23116316129280 = 211365111971429
BaseRepresentation
bin1010100000110001011111…
…10011111011100000000000
310000211220020211001101000000
411100120233303323200000
511012214203412114110
6121055253344000000
74604045602042353
oct520305763734000
9100756224041000
1023116316129280
1174026358a5280
12271411b600000
13cb8b22a33a2a
1459cb9b11829a
152a1495e531c0
hex15062fcfb800

23116316129280 has 1344 divisors, whose sum is σ = 91244730376800. Its totient is φ = 5571607265280.

The previous prime is 23116316129209. The next prime is 23116316129281. The reversal of 23116316129280 is 8292161361132.

23116316129280 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 6 + 3 + 1 + 612 + 9 + 28 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116316129281) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 16176567606 + ... + 16176569034.

Almost surely, 223116316129280 is an apocalyptic number.

23116316129280 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 23116316129280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45622365188400).

23116316129280 is an abundant number, since it is smaller than the sum of its proper divisors (68128414247520).

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

23116316129280 is a wasteful number, since it uses less digits than its factorization.

23116316129280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 23116316129280 in words is "twenty-three trillion, one hundred sixteen billion, three hundred sixteen million, one hundred twenty-nine thousand, two hundred eighty".