Search a number
-
+
680966216 = 23712160111
BaseRepresentation
bin101000100101101…
…011100001001000
31202110100200000222
4220211223201020
52343311404331
6151323245212
722606055150
oct5045534110
91673320028
10680966216
1131a429aa7
12170079808
13ab1069b8
1466621760
153ebb2b7b
hex2896b848

680966216 has 16 divisors (see below), whose sum is σ = 1459213440. Its totient is φ = 291842640.

The previous prime is 680966191. The next prime is 680966219. The reversal of 680966216 is 612669086.

It is not an unprimeable number, because it can be changed into a prime (680966219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6080000 + ... + 6080111.

It is an arithmetic number, because the mean of its divisors is an integer number (91200840).

Almost surely, 2680966216 is an apocalyptic number.

It is an amenable number.

680966216 is an abundant number, since it is smaller than the sum of its proper divisors (778247224).

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

680966216 is a wasteful number, since it uses less digits than its factorization.

680966216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160124 (or 12160120 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 680966216 is about 26095.3293905250. The cubic root of 680966216 is about 879.7822360617.

The spelling of 680966216 in words is "six hundred eighty million, nine hundred sixty-six thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 12160111 24320222 48640444 85120777 97280888 170241554 340483108 680966216