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2891063395 = 51156992381
BaseRepresentation
bin1010110001010010…
…0010000001100011
321110111001020102001
42230110202001203
521410103012040
61154513304431
7131433430153
oct25424420143
97414036361
102891063395
111253a257a0
12688265117
13370c621cc
141d5d6a763
1511dc2659a
hexac522063

2891063395 has 16 divisors (see below), whose sum is σ = 3791357280. Its totient is φ = 2098873600.

The previous prime is 2891063393. The next prime is 2891063411. The reversal of 2891063395 is 5933601982.

It is a happy number.

It is not a de Polignac number, because 2891063395 - 21 = 2891063393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2891063393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14896 + ... + 77485.

It is an arithmetic number, because the mean of its divisors is an integer number (236959830).

Almost surely, 22891063395 is an apocalyptic number.

2891063395 is a deficient number, since it is larger than the sum of its proper divisors (900293885).

2891063395 is a wasteful number, since it uses less digits than its factorization.

2891063395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92966.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2891063395 is about 53768.6097551350. The cubic root of 2891063395 is about 1424.5768141142.

The spelling of 2891063395 in words is "two billion, eight hundred ninety-one million, sixty-three thousand, three hundred ninety-five".

Divisors: 1 5 11 55 569 2845 6259 31295 92381 461905 1016191 5080955 52564789 262823945 578212679 2891063395