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72252190080 = 2733574771179
BaseRepresentation
bin100001101001010010…
…0001110110110000000
320220111101020112212000
41003102210032312000
52140433030040310
653105303104000
75135322324330
oct1032244166600
9226441215760
1072252190080
1128707528894
1212005142000
136a75c201c5
1436d5b9b0c0
151d2d1db4c0
hex10d290ed80

72252190080 has 1024 divisors, whose sum is σ = 304570368000. Its totient is φ = 15846727680.

The previous prime is 72252190039. The next prime is 72252190097. The reversal of 72252190080 is 8009125227.

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 127 ways as a sum of consecutive naturals, for example, 403643431 + ... + 403643609.

It is an arithmetic number, because the mean of its divisors is an integer number (297432000).

Almost surely, 272252190080 is an apocalyptic number.

72252190080 is a gapful number since it is divisible by the number (70) 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 72252190080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152285184000).

72252190080 is an abundant number, since it is smaller than the sum of its proper divisors (232318177920).

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

72252190080 is a wasteful number, since it uses less digits than its factorization.

72252190080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 72252190080 in words is "seventy-two billion, two hundred fifty-two million, one hundred ninety thousand, eighty".