Search a number
-
+
680807348068 = 221171354141047
BaseRepresentation
bin10011110100000110100…
…01111011011101100100
32102002021122010122211111
421322003101323131210
542123243140114233
61240431504114404
7100121016656041
oct11720321733544
92362248118744
10680807348068
11242801aaa191
12abb41005a04
134c27a118973
1424d4633c1c8
1512a99165acd
hex9e8347b764

680807348068 has 24 divisors (see below), whose sum is σ = 1192796099264. Its totient is φ = 340008645600.

The previous prime is 680807348009. The next prime is 680807348077. The reversal of 680807348068 is 860843708086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16565521 + ... + 16606567.

Almost surely, 2680807348068 is an apocalyptic number.

It is an amenable number.

680807348068 is a deficient number, since it is larger than the sum of its proper divisors (511988751196).

680807348068 is a wasteful number, since it uses less digits than its factorization.

680807348068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45763 (or 45761 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 680807348068 in words is "six hundred eighty billion, eight hundred seven million, three hundred forty-eight thousand, sixty-eight".

Divisors: 1 2 4 1171 2342 3541 4684 7082 14164 41047 82094 164188 4146511 8293022 16586044 48066037 96132074 145347427 192264148 290694854 581389708 170201837017 340403674034 680807348068