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2898080639 = 13920849501
BaseRepresentation
bin1010110010111101…
…0011001101111111
321110222020202020222
42230233103031333
521413402040024
61155323531555
7131550164456
oct25457231577
97428222228
102898080639
111257988973
1268a689bbb
1337254b21c
141d6c75b9d
1511e66085e
hexacbd337f

2898080639 has 4 divisors (see below), whose sum is σ = 2918930280. Its totient is φ = 2877231000.

The previous prime is 2898080629. The next prime is 2898080657. The reversal of 2898080639 is 9360808982.

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

It is a cyclic number.

It is not a de Polignac number, because 2898080639 - 220 = 2897032063 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 (2898080609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10424612 + ... + 10424889.

It is an arithmetic number, because the mean of its divisors is an integer number (729732570).

Almost surely, 22898080639 is an apocalyptic number.

2898080639 is a deficient number, since it is larger than the sum of its proper divisors (20849641).

2898080639 is a wasteful number, since it uses less digits than its factorization.

2898080639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20849640.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 2898080639 is about 53833.8243021987. The cubic root of 2898080639 is about 1425.7284694792.

The spelling of 2898080639 in words is "two billion, eight hundred ninety-eight million, eighty thousand, six hundred thirty-nine".

Divisors: 1 139 20849501 2898080639