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680151357 = 3325190791
BaseRepresentation
bin101000100010100…
…100100100111101
31202101211021021000
4220202210210331
52343104320412
6151254000513
722566122364
oct5042444475
91671737230
10680151357
11319a22866
1216b946139
13aabacb32
146648c7db
153eaa14dc
hex288a493d

680151357 has 8 divisors (see below), whose sum is σ = 1007631680. Its totient is φ = 453434220.

The previous prime is 680151349. The next prime is 680151359. The reversal of 680151357 is 753151086.

It is not a de Polignac number, because 680151357 - 23 = 680151349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680151359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12595369 + ... + 12595422.

It is an arithmetic number, because the mean of its divisors is an integer number (125953960).

Almost surely, 2680151357 is an apocalyptic number.

It is an amenable number.

680151357 is a deficient number, since it is larger than the sum of its proper divisors (327480323).

680151357 is a wasteful number, since it uses less digits than its factorization.

680151357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25190800 (or 25190794 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 680151357 is about 26079.7115973317. The cubic root of 680151357 is about 879.4311738021.

The spelling of 680151357 in words is "six hundred eighty million, one hundred fifty-one thousand, three hundred fifty-seven".

Divisors: 1 3 9 27 25190791 75572373 226717119 680151357