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2028953291 is a prime number
BaseRepresentation
bin111100011101111…
…0101111011001011
312020101211111200012
41320323311323023
513123403001131
6533155302135
7101164550501
oct17073657313
95211744605
102028953291
11951322702
124875aa94b
13264473aa1
14153674671
15bd1d152b
hex78ef5ecb

2028953291 has 2 divisors, whose sum is σ = 2028953292. Its totient is φ = 2028953290.

The previous prime is 2028953273. The next prime is 2028953341. The reversal of 2028953291 is 1923598202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028953291 - 222 = 2024758987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2028953221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014476645 + 1014476646.

It is an arithmetic number, because the mean of its divisors is an integer number (1014476646).

Almost surely, 22028953291 is an apocalyptic number.

2028953291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028953291 is an equidigital number, since it uses as much as digits as its factorization.

2028953291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2028953291 is about 45043.9040381715. The cubic root of 2028953291 is about 1265.9717553119.

The spelling of 2028953291 in words is "two billion, twenty-eight million, nine hundred fifty-three thousand, two hundred ninety-one".