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680795033659 = 13192449323087
BaseRepresentation
bin10011110100000101000…
…10111101000000111011
32102002020202222000122021
421322002202331000323
542123232012034114
61240430344135311
7100120510210006
oct11720242750073
92362222860567
10680795033659
112427a6059194
12abb38a67537
134c2776c6830
1424d4485453d
1512a98032024
hex9e828bd03b

680795033659 has 24 divisors (see below), whose sum is σ = 775508126400. Its totient is φ = 594023334912.

The previous prime is 680795033657. The next prime is 680795033669. The reversal of 680795033659 is 956330597086.

It is not a de Polignac number, because 680795033659 - 21 = 680795033657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680795033597 and 680795033606.

It is not an unprimeable number, because it can be changed into a prime (680795033657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1945614 + ... + 2268700.

It is an arithmetic number, because the mean of its divisors is an integer number (32312838600).

Almost surely, 2680795033659 is an apocalyptic number.

680795033659 is a deficient number, since it is larger than the sum of its proper divisors (94713092741).

680795033659 is a wasteful number, since it uses less digits than its factorization.

680795033659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323587 (or 323568 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 680795033659 in words is "six hundred eighty billion, seven hundred ninety-five million, thirty-three thousand, six hundred fifty-nine".

Divisors: 1 13 19 247 361 449 4693 5837 8531 110903 162089 323087 2107157 4200131 6138653 79802489 116634407 145066063 1516247291 1885858819 2756255197 35831317561 52368848743 680795033659