Search a number
-
+
6913747393 = 72713644569
BaseRepresentation
bin1100111000001011…
…10110100111000001
3122211211102202110021
412130011312213001
5103124404404033
63102013333441
7333220611640
oct63405664701
918754382407
106913747393
112a286a2823
12140b497281
138624968b7
14498307357
152a6e7cb2d
hex19c1769c1

6913747393 has 8 divisors (see below), whose sum is σ = 7930584320. Its totient is φ = 5904200160.

The previous prime is 6913747387. The next prime is 6913747403. The reversal of 6913747393 is 3937473196.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6913747393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6913747393.

It is not an unprimeable number, because it can be changed into a prime (6913747343) 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, 1820388 + ... + 1824181.

It is an arithmetic number, because the mean of its divisors is an integer number (991323040).

Almost surely, 26913747393 is an apocalyptic number.

It is an amenable number.

6913747393 is a deficient number, since it is larger than the sum of its proper divisors (1016836927).

6913747393 is a wasteful number, since it uses less digits than its factorization.

6913747393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644847.

The product of its digits is 2571912, while the sum is 52.

The square root of 6913747393 is about 83148.9470348242. The cubic root of 6913747393 is about 1905.0417704506.

The spelling of 6913747393 in words is "six billion, nine hundred thirteen million, seven hundred forty-seven thousand, three hundred ninety-three".

Divisors: 1 7 271 1897 3644569 25511983 987678199 6913747393