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2172958504080 = 24357213109130399
BaseRepresentation
bin11111100111101110011…
…010110111010010010000
321200201210012210012201120
4133213232122313102100
5241100204334112310
64342124322002240
7312663636350400
oct37475632672220
97621705705646
102172958504080
11768601476951
122b11734a6380
13129ba8404290
147725940a800
153b7cc421b70
hex1f9ee6b7490

2172958504080 has 480 divisors, whose sum is σ = 8516204928000. Its totient is φ = 454260731904.

The previous prime is 2172958504069. The next prime is 2172958504097. The reversal of 2172958504080 is 804058592712.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16598721 + ... + 16729119.

It is an arithmetic number, because the mean of its divisors is an integer number (17742093600).

Almost surely, 22172958504080 is an apocalyptic number.

2172958504080 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 2172958504080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4258102464000).

2172958504080 is an abundant number, since it is smaller than the sum of its proper divisors (6343246423920).

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

2172958504080 is a wasteful number, since it uses less digits than its factorization.

2172958504080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130551 (or 130538 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 2172958504080 in words is "two trillion, one hundred seventy-two billion, nine hundred fifty-eight million, five hundred four thousand, eighty".