Search a number
-
+
6408315465797 = 77180915938189
BaseRepresentation
bin101110101000000110101…
…0111011111000001000101
3211200121222112010100111202
41131100031113133001011
51314443212224401142
621343534532312245
71230662013464540
oct135201527370105
924617875110452
106408315465797
11205082a01a333
12875b83a72685
133763bc6956ab
141822424d7857
15b1a658e3032
hex5d40d5df045

6408315465797 has 16 divisors (see below), whose sum is σ = 7436121926400. Its totient is φ = 5408783479680.

The previous prime is 6408315465691. The next prime is 6408315465823. The reversal of 6408315465797 is 7975645138046.

It is not a de Polignac number, because 6408315465797 - 230 = 6407241723973 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 (6408315465197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7567022 + ... + 8371167.

It is an arithmetic number, because the mean of its divisors is an integer number (464757620400).

Almost surely, 26408315465797 is an apocalyptic number.

It is an amenable number.

6408315465797 is a deficient number, since it is larger than the sum of its proper divisors (1027806460603).

6408315465797 is a wasteful number, since it uses less digits than its factorization.

6408315465797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15939076.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 6408315465797 in words is "six trillion, four hundred eight billion, three hundred fifteen million, four hundred sixty-five thousand, seven hundred ninety-seven".

Divisors: 1 7 71 497 809 5663 57439 402073 15938189 111567323 1131611419 7921279933 12893994901 90257964307 915473637971 6408315465797