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86621902432800 = 2535273532338521
BaseRepresentation
bin10011101100100000111011…
…101110010110101000100000
3102100200222021022112111110020
4103230200323232112220200
542323203124010322200
6504121315211033440
724150140331105000
oct2354407356265040
9370628238474406
1086621902432800
1125667162771019
12986baa3a3b880
133944544700107
14175674584c000
15a0337b4e8ea0
hex4ec83bb96a20

86621902432800 has 1152 divisors, whose sum is σ = 336490938201600. Its totient is φ = 19340078284800.

The previous prime is 86621902432787. The next prime is 86621902432801. The reversal of 86621902432800 is 823420912668.

It is a happy number.

86621902432800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (86621902432801) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10165692540 + ... + 10165701060.

It is an arithmetic number, because the mean of its divisors is an integer number (292092828300).

Almost surely, 286621902432800 is an apocalyptic number.

86621902432800 is a gapful number since it is divisible by the number (80) 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 86621902432800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168245469100800).

86621902432800 is an abundant number, since it is smaller than the sum of its proper divisors (249869035768800).

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

86621902432800 is a wasteful number, since it uses less digits than its factorization.

86621902432800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851 (or 8824 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 86621902432800 in words is "eighty-six trillion, six hundred twenty-one billion, nine hundred two million, four hundred thirty-two thousand, eight hundred".