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680873400088 = 23721736921939
BaseRepresentation
bin10011110100001110011…
…01111001011100011000
32102002110020102110011121
421322013031321130120
542123412042300323
61240442223535024
7100122451260400
oct11720715713430
92362406373147
10680873400088
11242836314032
12abb5b15a474
134c28aa044bb
1424d51013800
1512a9ed61a5d
hex9e87379718

680873400088 has 24 divisors (see below), whose sum is σ = 1485068258700. Its totient is φ = 291802885584.

The previous prime is 680873400073. The next prime is 680873400113. The reversal of 680873400088 is 880004378086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 868460578 + ... + 868461361.

Almost surely, 2680873400088 is an apocalyptic number.

It is an amenable number.

680873400088 is an abundant number, since it is smaller than the sum of its proper divisors (804194858612).

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

680873400088 is a wasteful number, since it uses less digits than its factorization.

680873400088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736921959 (or 1736921948 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 680873400088 in words is "six hundred eighty billion, eight hundred seventy-three million, four hundred thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 1736921939 3473843878 6947687756 12158453573 13895375512 24316907146 48633814292 85109175011 97267628584 170218350022 340436700044 680873400088