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6816194494707 = 313247224672
BaseRepresentation
bin110001100110000010011…
…0110100000000011110011
3220010121210022110212021010
41203030010312200003303
51343134031242312312
622255152211402003
71302311440151403
oct143140466400363
926117708425233
106816194494707
112198806104774
129210358b3303
133a59c246cc00
14197c96c74803
15bc488d8d93c
hex63304da00f3

6816194494707 has 54 divisors (see below), whose sum is σ = 10059051145068. Its totient is φ = 4103670718368.

The previous prime is 6816194494619. The next prime is 6816194494751. The reversal of 6816194494707 is 7074944916186.

It is a happy number.

6816194494707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6816194494707 - 210 = 6816194493683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6816194494757) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2762947488 + ... + 2762949954.

Almost surely, 26816194494707 is an apocalyptic number.

6816194494707 is a deficient number, since it is larger than the sum of its proper divisors (3242856650361).

6816194494707 is an frugal number, since it uses more digits than its factorization.

6816194494707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 6816194494707 in words is "six trillion, eight hundred sixteen billion, one hundred ninety-four million, four hundred ninety-four thousand, seven hundred seven".

Divisors: 1 3 13 39 47 141 169 507 611 1833 2209 2467 6627 7401 7943 23829 28717 32071 86151 96213 115949 347847 373321 416923 1119963 1250769 1507337 4522011 5449603 6086089 16348809 18258267 19595381 58786143 70844839 79119157 212534517 237357471 286046183 858138549 920982907 1028549041 2762948721 3085647123 3718600379 11155801137 13444170601 40332511803 48341804927 145025414781 174774217813 524322653439 2272064831569 6816194494707