Search a number
-
+
680900260026 = 23722315987279
BaseRepresentation
bin10011110100010001101…
…00010111000010111010
32102002112002222002002010
421322020310113002322
542123440431310101
61240445023350350
7100123225500300
oct11721064270272
92362462862063
10680900260026
1124284a49a328
12abb681523b6
134c29344a15c
1424d54806270
1512aa23ba2d6
hex9e88d170ba

680900260026 has 24 divisors (see below), whose sum is σ = 1584135299520. Its totient is φ = 194542931352.

The previous prime is 680900260021. The next prime is 680900260037. The reversal of 680900260026 is 620062009086.

It is not an unprimeable number, because it can be changed into a prime (680900260021) 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 11 ways as a sum of consecutive naturals, for example, 1157993346 + ... + 1157993933.

It is an arithmetic number, because the mean of its divisors is an integer number (66005637480).

Almost surely, 2680900260026 is an apocalyptic number.

680900260026 is an abundant number, since it is smaller than the sum of its proper divisors (903235039494).

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

680900260026 is a wasteful number, since it uses less digits than its factorization.

680900260026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315987298 (or 2315987291 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 680900260026 in words is "six hundred eighty billion, nine hundred million, two hundred sixty thousand, twenty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 2315987279 4631974558 6947961837 13895923674 16211910953 32423821906 48635732859 97271465718 113483376671 226966753342 340450130013 680900260026