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115045782720 = 26351125742391
BaseRepresentation
bin110101100100101000…
…0110101010011000000
3101222221201221022000120
41223021100311103000
53341103210021340
6124503514220240
711211641006151
oct1531120652300
9358851838016
10115045782720
1144877388380
121a368724680
13ab0599845b
1457d53a1928
152ed50944d0
hex1ac94354c0

115045782720 has 224 divisors, whose sum is σ = 400036686336. Its totient is φ = 27780710400.

The previous prime is 115045782701. The next prime is 115045782721. The reversal of 115045782720 is 27287540511.

It is not an unprimeable number, because it can be changed into a prime (115045782721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2692725 + ... + 2735115.

It is an arithmetic number, because the mean of its divisors is an integer number (1785878064).

Almost surely, 2115045782720 is an apocalyptic number.

115045782720 is a gapful number since it is divisible by the number (10) 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 115045782720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200018343168).

115045782720 is an abundant number, since it is smaller than the sum of its proper divisors (284990903616).

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

115045782720 is a wasteful number, since it uses less digits than its factorization.

115045782720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42679 (or 42669 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 115045782720 in words is "one hundred fifteen billion, forty-five million, seven hundred eighty-two thousand, seven hundred twenty".