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2381087168 = 2637204487
BaseRepresentation
bin1000110111101100…
…1000000111000000
320010221102202112122
42031323020013000
514334024242133
61032134543412
7113001623045
oct21573100700
96127382478
102381087168
111012075039
12565507b68
132bc3c6325
141883391cc
15de08c498
hex8dec81c0

2381087168 has 14 divisors (see below), whose sum is σ = 4724969976. Its totient is φ = 1190543552.

The previous prime is 2381087147. The next prime is 2381087197. The reversal of 2381087168 is 8617801832.

It is a super-2 number, since 2×23810871682 = 11339152203228520448, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 18602180 + ... + 18602307.

Almost surely, 22381087168 is an apocalyptic number.

It is an amenable number.

2381087168 is a deficient number, since it is larger than the sum of its proper divisors (2343882808).

2381087168 is an equidigital number, since it uses as much as digits as its factorization.

2381087168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37204499 (or 37204489 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 2381087168 is about 48796.3847841210. The cubic root of 2381087168 is about 1335.3397122074.

The spelling of 2381087168 in words is "two billion, three hundred eighty-one million, eighty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 37204487 74408974 148817948 297635896 595271792 1190543584 2381087168