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2090356687 = 19331379877
BaseRepresentation
bin111110010011000…
…0100111111001111
312101200101010022001
41330212010333033
513240112403222
6543231333131
7102541511236
oct17446047717
95350333261
102090356687
11982a51a11
124a40811a7
132740c2763
1415b899b1d
15c37aee27
hex7c984fcf

2090356687 has 16 divisors (see below), whose sum is σ = 2215369600. Its totient is φ = 1966900320.

The previous prime is 2090356663. The next prime is 2090356717. The reversal of 2090356687 is 7866530902.

It is a cyclic number.

It is not a de Polignac number, because 2090356687 - 223 = 2081968079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090356637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2383093 + ... + 2383969.

It is an arithmetic number, because the mean of its divisors is an integer number (138460600).

Almost surely, 22090356687 is an apocalyptic number.

2090356687 is a deficient number, since it is larger than the sum of its proper divisors (125012913).

2090356687 is a wasteful number, since it uses less digits than its factorization.

2090356687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 2090356687 is about 45720.4187098062. The cubic root of 2090356687 is about 1278.6159941075.

The spelling of 2090356687 in words is "two billion, ninety million, three hundred fifty-six thousand, six hundred eighty-seven".

Divisors: 1 19 331 379 877 6289 7201 16663 125449 290287 332383 2383531 5515453 6315277 110018773 2090356687