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2162090907 = 3380077441
BaseRepresentation
bin1000000011011110…
…1110001110011011
312120200100121011000
42000313232032123
513411443402112
6554313040043
7104402320014
oct20067561633
95520317130
102162090907
11a0a497999
125040b6023
13285c1a742
1416721000b
15c9c2e7dc
hex80dee39b

2162090907 has 8 divisors (see below), whose sum is σ = 3203097680. Its totient is φ = 1441393920.

The previous prime is 2162090867. The next prime is 2162090927. The reversal of 2162090907 is 7090902612.

2162090907 is a `hidden beast` number, since 21 + 620 + 9 + 0 + 9 + 0 + 7 = 666.

It is not a de Polignac number, because 2162090907 - 218 = 2161828763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162090927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40038694 + ... + 40038747.

It is an arithmetic number, because the mean of its divisors is an integer number (400387210).

Almost surely, 22162090907 is an apocalyptic number.

2162090907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2162090907 is a deficient number, since it is larger than the sum of its proper divisors (1041006773).

2162090907 is an equidigital number, since it uses as much as digits as its factorization.

2162090907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80077450 (or 80077444 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2162090907 is about 46498.2892911126. The cubic root of 2162090907 is about 1293.0777834463.

The spelling of 2162090907 in words is "two billion, one hundred sixty-two million, ninety thousand, nine hundred seven".

Divisors: 1 3 9 27 80077441 240232323 720696969 2162090907