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115054801920 = 2103354871709
BaseRepresentation
bin110101100100111001…
…1001111010000000000
3101222222100220112001000
41223021303033100000
53341113012130140
6124504435412000
711212110452202
oct1531163172000
9358870815030
10115054801920
1144881488663
121a36b754000
13ab07805766
1457d666c772
152ed5c76a30
hex1ac9ccf400

115054801920 has 352 divisors, whose sum is σ = 409963334400. Its totient is φ = 30600364032.

The previous prime is 115054801877. The next prime is 115054801931. The reversal of 115054801920 is 29108450511.

115054801920 is a `hidden beast` number, since 1 + 150 + 5 + 480 + 1 + 9 + 20 = 666.

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 31 ways as a sum of consecutive naturals, for example, 67322026 + ... + 67323734.

Almost surely, 2115054801920 is an apocalyptic number.

115054801920 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 115054801920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204981667200).

115054801920 is an abundant number, since it is smaller than the sum of its proper divisors (294908532480).

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

115054801920 is a wasteful number, since it uses less digits than its factorization.

115054801920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 115054801920 in words is "one hundred fifteen billion, fifty-four million, eight hundred one thousand, nine hundred twenty".