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72223594490880 = 21032571092054197
BaseRepresentation
bin10000011010111111011101…
…101100011010110000000000
3100110201111201110221122000200
4100122333131230122300000
533431302410142202010
6413335021122245200
721132660666660210
oct2032773554326000
9313644643848020
1072223594490880
1121015944252348
1281254bb7b6800
13313b86a866541
1413b98d7c36240
15853a7c537cc0
hex41afddb1ac00

72223594490880 has 528 divisors, whose sum is σ = 288627308523840. Its totient is φ = 16356790370304.

The previous prime is 72223594490837. The next prime is 72223594490897. The reversal of 72223594490880 is 8809449532227.

72223594490880 is a `hidden beast` number, since 7 + 2 + 22 + 35 + 94 + 490 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34131942 + ... + 36186138.

It is an arithmetic number, because the mean of its divisors is an integer number (546642629780).

Almost surely, 272223594490880 is an apocalyptic number.

72223594490880 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 72223594490880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144313654261920).

72223594490880 is an abundant number, since it is smaller than the sum of its proper divisors (216403714032960).

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

72223594490880 is a wasteful number, since it uses less digits than its factorization.

72223594490880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054344 (or 2054323 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 72223594490880 in words is "seventy-two trillion, two hundred twenty-three billion, five hundred ninety-four million, four hundred ninety thousand, eight hundred eighty".