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6679368905 = 511121443071
BaseRepresentation
bin1100011100001111…
…10001010011001001
3122020111102002121112
412032013301103021
5102134404301110
63022442020105
7324343461506
oct61607612311
918214362545
106679368905
1129183697a0
121364aa7635
13825a636c1
144751364ad
152915d2405
hex18e1f14c9

6679368905 has 8 divisors (see below), whose sum is σ = 8743901184. Its totient is φ = 4857722800.

The previous prime is 6679368893. The next prime is 6679368929. The reversal of 6679368905 is 5098639766.

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

It is a de Polignac number, because none of the positive numbers 2k-6679368905 is a prime.

It is a super-2 number, since 2×66793689052 = 89227937938161798050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60721481 + ... + 60721590.

It is an arithmetic number, because the mean of its divisors is an integer number (1092987648).

Almost surely, 26679368905 is an apocalyptic number.

It is an amenable number.

6679368905 is a deficient number, since it is larger than the sum of its proper divisors (2064532279).

6679368905 is a wasteful number, since it uses less digits than its factorization.

6679368905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121443087.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The square root of 6679368905 is about 81727.4060826599. The cubic root of 6679368905 is about 1883.2666257905.

The spelling of 6679368905 in words is "six billion, six hundred seventy-nine million, three hundred sixty-eight thousand, nine hundred five".

Divisors: 1 5 11 55 121443071 607215355 1335873781 6679368905