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1368687347 = 8365325253
BaseRepresentation
bin101000110010100…
…1000001011110011
310112101102112001222
41101211020023303
510300340443342
6343451415255
745626436056
oct12145101363
93471375058
101368687347
11642652075
1232245452b
1318a737191
14cdac0a9d
158025bed2
hex519482f3

1368687347 has 8 divisors (see below), whose sum is σ = 1387353744. Its totient is φ = 1350072928.

The previous prime is 1368687283. The next prime is 1368687349. The reversal of 1368687347 is 7437868631.

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 1368687347 - 26 = 1368687283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368687349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41573 + ... + 66825.

It is an arithmetic number, because the mean of its divisors is an integer number (173419218).

Almost surely, 21368687347 is an apocalyptic number.

1368687347 is a deficient number, since it is larger than the sum of its proper divisors (18666397).

1368687347 is an equidigital number, since it uses as much as digits as its factorization.

1368687347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25989.

The product of its digits is 4064256, while the sum is 53.

The square root of 1368687347 is about 36995.7747182026. The cubic root of 1368687347 is about 1110.2857114264.

The spelling of 1368687347 in words is "one billion, three hundred sixty-eight million, six hundred eighty-seven thousand, three hundred forty-seven".

Divisors: 1 83 653 25253 54199 2095999 16490209 1368687347