Search a number
-
+
680066026225 = 5241964922771
BaseRepresentation
bin10011110010101110001…
…10000000101011110001
32102000100222012121102221
421321113012000223301
542120233400314400
61240230143041041
7100063445562625
oct11712706005361
92360328177387
10680066026225
112424615a7103
12ab9748a0181
134c18c66c1a1
1424cb5ac9185
1512a5402ec1a
hex9e57180af1

680066026225 has 12 divisors (see below), whose sum is σ = 845294491440. Its totient is φ = 542754357200.

The previous prime is 680066026187. The next prime is 680066026247. The reversal of 680066026225 is 522620660086.

It is not a de Polignac number, because 680066026225 - 213 = 680066018033 is a prime.

It is a super-3 number, since 3×6800660262253 (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32450911 + ... + 32471860.

It is an arithmetic number, because the mean of its divisors is an integer number (70441207620).

Almost surely, 2680066026225 is an apocalyptic number.

It is an amenable number.

680066026225 is a deficient number, since it is larger than the sum of its proper divisors (165228465215).

680066026225 is a wasteful number, since it uses less digits than its factorization.

680066026225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64923200 (or 64923195 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 680066026225 in words is "six hundred eighty billion, sixty-six million, twenty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 419 2095 10475 64922771 324613855 1623069275 27202641049 136013205245 680066026225