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2690085019 is a prime number
BaseRepresentation
bin1010000001010111…
…0111000010011011
320221110212110220111
42200111313002123
521002130210034
61122533505151
7123443226316
oct24025670233
96843773814
102690085019
111160534766
12630aa21b7
1333b4247ab
141b73b197d
1510b277364
hexa057709b

2690085019 has 2 divisors, whose sum is σ = 2690085020. Its totient is φ = 2690085018.

The previous prime is 2690084987. The next prime is 2690085061. The reversal of 2690085019 is 9105800962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2690085019 - 25 = 2690084987 is a prime.

It is a super-2 number, since 2×26900850192 = 14473114818896460722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2690085919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345042509 + 1345042510.

It is an arithmetic number, because the mean of its divisors is an integer number (1345042510).

Almost surely, 22690085019 is an apocalyptic number.

2690085019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690085019 is an equidigital number, since it uses as much as digits as its factorization.

2690085019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2690085019 is about 51866.0295280061. The cubic root of 2690085019 is about 1390.7700680974.

The spelling of 2690085019 in words is "two billion, six hundred ninety million, eighty-five thousand, nineteen".