Search a number
-
+
680807481348 = 223232466693773
BaseRepresentation
bin10011110100000110100…
…10011100000000000100
32102002021122101102122210
421322003102130000010
542123243203400343
61240431511023420
7100121021052441
oct11720322340004
92362248342583
10680807481348
11242802090335
12abb4106ab70
134c27a164527
1424d463749c8
1512a99190333
hex9e8349c004

680807481348 has 24 divisors (see below), whose sum is σ = 1657618216128. Its totient is φ = 217069051936.

The previous prime is 680807481269. The next prime is 680807481349. The reversal of 680807481348 is 843184708086.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (680807481349) 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, 1233346611 + ... + 1233347162.

It is an arithmetic number, because the mean of its divisors is an integer number (69067425672).

Almost surely, 2680807481348 is an apocalyptic number.

It is an amenable number.

680807481348 is an abundant number, since it is smaller than the sum of its proper divisors (976810734780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680807481348 is a wasteful number, since it uses less digits than its factorization.

680807481348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466693803 (or 2466693801 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 680807481348 in words is "six hundred eighty billion, eight hundred seven million, four hundred eighty-one thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2466693773 4933387546 7400081319 9866775092 14800162638 29600325276 56733956779 113467913558 170201870337 226935827116 340403740674 680807481348