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2689976069 = 11435687053
BaseRepresentation
bin1010000001010101…
…1100011100000101
320221110122221110022
42200111130130011
521002113213234
61122531304525
7123442263554
oct24025343405
96843587408
102689976069
11116046a920
12630a4b145
1333b3b7021
141b7383d9b
1510b254e2e
hexa055c705

2689976069 has 8 divisors (see below), whose sum is σ = 3002764512. Its totient is φ = 2388561840.

The previous prime is 2689976057. The next prime is 2689976071. The reversal of 2689976069 is 9606799862.

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 2689976069 - 228 = 2421540613 is a prime.

It is a super-2 number, since 2×26899760692 = 14471942503585385522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689976089) 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 7 ways as a sum of consecutive naturals, for example, 2843054 + ... + 2843999.

It is an arithmetic number, because the mean of its divisors is an integer number (375345564).

Almost surely, 22689976069 is an apocalyptic number.

It is an amenable number.

2689976069 is a deficient number, since it is larger than the sum of its proper divisors (312788443).

2689976069 is a wasteful number, since it uses less digits than its factorization.

2689976069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687107.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The square root of 2689976069 is about 51864.9792152662. The cubic root of 2689976069 is about 1390.7512921797.

The spelling of 2689976069 in words is "two billion, six hundred eighty-nine million, nine hundred seventy-six thousand, sixty-nine".

Divisors: 1 11 43 473 5687053 62557583 244543279 2689976069