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680010707 = 4119784191
BaseRepresentation
bin101000100010000…
…010001111010011
31202101120010022202
4220202002033103
52343040320312
6151250553415
722564665335
oct5042021723
91671503282
10680010707
11319937122
1216b89886b
13aab60acc
1466453455
153ea749c2
hex288823d3

680010707 has 8 divisors (see below), whose sum is σ = 700140672. Its totient is φ = 660049600.

The previous prime is 680010677. The next prime is 680010743. The reversal of 680010707 is 707010086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680010707 - 224 = 663233491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680010707.

It is not an unprimeable number, because it can be changed into a prime (680010757) 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, 34019 + ... + 50172.

It is an arithmetic number, because the mean of its divisors is an integer number (87517584).

Almost surely, 2680010707 is an apocalyptic number.

680010707 is a deficient number, since it is larger than the sum of its proper divisors (20129965).

680010707 is a wasteful number, since it uses less digits than its factorization.

680010707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84429.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 680010707 is about 26077.0149173559. The cubic root of 680010707 is about 879.3705497854.

The spelling of 680010707 in words is "six hundred eighty million, ten thousand, seven hundred seven".

Divisors: 1 41 197 8077 84191 3451831 16585627 680010707