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72480340800 = 26325275313567
BaseRepresentation
bin100001110000000101…
…0100011101101000000
320221002021112210210200
41003200022203231000
52141414431401200
653144053125200
75144062505640
oct1034012435500
9227067483720
1072480340800
11288142988aa
1212069629800
136ab128282a
1437181ca520
151d43256800
hex10e02a3b40

72480340800 has 504 divisors, whose sum is σ = 299991085056. Its totient is φ = 16253153280.

The previous prime is 72480340799. The next prime is 72480340811. The reversal of 72480340800 is 804308427.

72480340800 is a `hidden beast` number, since 7 + 248 + 0 + 3 + 408 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5335617 + ... + 5349183.

Almost surely, 272480340800 is an apocalyptic number.

72480340800 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 72480340800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149995542528).

72480340800 is an abundant number, since it is smaller than the sum of its proper divisors (227510744256).

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

72480340800 is a wasteful number, since it uses less digits than its factorization.

72480340800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655 (or 13637 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 72480340800 in words is "seventy-two billion, four hundred eighty million, three hundred forty thousand, eight hundred".