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2990683271 = 3259917669
BaseRepresentation
bin1011001001000010…
…0011010010000111
321201102111110012002
42302100203102013
522111103331041
61212432415515
7134053250132
oct26220432207
97642443162
102990683271
1112a5187674
126b56a759b
133887a1994
1420529d219
1512785359b
hexb2423487

2990683271 has 4 divisors (see below), whose sum is σ = 2991604200. Its totient is φ = 2989762344.

The previous prime is 2990683259. The next prime is 2990683279. The reversal of 2990683271 is 1723860992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2990683271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990683279) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 455576 + ... + 462093.

It is an arithmetic number, because the mean of its divisors is an integer number (747901050).

Almost surely, 22990683271 is an apocalyptic number.

2990683271 is a deficient number, since it is larger than the sum of its proper divisors (920929).

2990683271 is an equidigital number, since it uses as much as digits as its factorization.

2990683271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920928.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2990683271 is about 54687.1399051002. The cubic root of 2990683271 is about 1440.7550167105.

The spelling of 2990683271 in words is "two billion, nine hundred ninety million, six hundred eighty-three thousand, two hundred seventy-one".

Divisors: 1 3259 917669 2990683271