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2091303271 = 15724595417
BaseRepresentation
bin111110010100110…
…1100000101100111
312101202011012202201
41330221230011213
513240333201041
6543303515331
7102552533041
oct17451540547
95352135681
102091303271
11983539112
124a4458b47
13274364575
1415ba64a91
15c38ea631
hex7ca6c167

2091303271 has 8 divisors (see below), whose sum is σ = 2105868240. Its totient is φ = 2076754368.

The previous prime is 2091303251. The next prime is 2091303281. The reversal of 2091303271 is 1723031902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2091303271 - 223 = 2082914663 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 (2091303251) 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, 383355 + ... + 388771.

It is an arithmetic number, because the mean of its divisors is an integer number (263233530).

Almost surely, 22091303271 is an apocalyptic number.

2091303271 is a deficient number, since it is larger than the sum of its proper divisors (14564969).

2091303271 is a wasteful number, since it uses less digits than its factorization.

2091303271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2091303271 is about 45730.7694118522. The cubic root of 2091303271 is about 1278.8089651293.

The spelling of 2091303271 in words is "two billion, ninety-one million, three hundred three thousand, two hundred seventy-one".

Divisors: 1 157 2459 5417 386063 850469 13320403 2091303271