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680226518768 = 24311371424433
BaseRepresentation
bin10011110011000001010…
…10001111011011110000
32102000210011012110211012
421321200222033123300
542121100442100033
61240254115010052
7100100435003126
oct11714052173360
92360704173735
10680226518768
11242534155575
12ab9ba599928
134c1b69a2ba4
1424ccd145916
1512a63183248
hex9e60a8f6f0

680226518768 has 20 divisors (see below), whose sum is σ = 1360453038528. Its totient is φ = 329141863680.

The previous prime is 680226518749. The next prime is 680226518773. The reversal of 680226518768 is 867815622086.

It is a happy number.

680226518768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

680226518768 is an admirable number.

It is a super-3 number, since 3×6802265187683 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685711721 + ... + 685712712.

Almost surely, 2680226518768 is an apocalyptic number.

It is an amenable number.

680226518768 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

680226518768 is a wasteful number, since it uses less digits than its factorization.

680226518768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371424472 (or 1371424466 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 680226518768 in words is "six hundred eighty billion, two hundred twenty-six million, five hundred eighteen thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 1371424433 2742848866 5485697732 10971395464 21942790928 42514157423 85028314846 170056629692 340113259384 680226518768