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680222265 = 3545348151
BaseRepresentation
bin101000100010110…
…101111000111001
31202101221212112020
4220202311320321
52343114103030
6151255305053
722566536202
oct5042657071
91671855466
10680222265
11319a71068
1216b97b189
13aac061a8
14664aa5a9
153eab7510
hex288b5e39

680222265 has 8 divisors (see below), whose sum is σ = 1088355648. Its totient is φ = 362785200.

The previous prime is 680222237. The next prime is 680222281. The reversal of 680222265 is 562222086.

680222265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 680222265 - 29 = 680221753 is a prime.

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, 22674061 + ... + 22674090.

It is an arithmetic number, because the mean of its divisors is an integer number (136044456).

Almost surely, 2680222265 is an apocalyptic number.

It is an amenable number.

680222265 is a deficient number, since it is larger than the sum of its proper divisors (408133383).

680222265 is a wasteful number, since it uses less digits than its factorization.

680222265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45348159.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 680222265 is about 26081.0710094505. The cubic root of 680222265 is about 879.4617339307.

The spelling of 680222265 in words is "six hundred eighty million, two hundred twenty-two thousand, two hundred sixty-five".

Divisors: 1 3 5 15 45348151 136044453 226740755 680222265