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6800006680 = 235680324989
BaseRepresentation
bin1100101010100111…
…11101111000011000
3122112220102010112021
412111103331320120
5102411300203210
63042431424224
7330340050235
oct62523757030
918486363467
106800006680
11297a476735
121399385074
13844a519bc
1448717a78c
1529beb1bda
hex1954fde18

6800006680 has 32 divisors (see below), whose sum is σ = 15302876400. Its totient is φ = 2719494016.

The previous prime is 6800006663. The next prime is 6800006723. The reversal of 6800006680 is 866000086.

It is a happy number.

It is a congruent number.

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, 259626 + ... + 284614.

Almost surely, 26800006680 is an apocalyptic number.

It is an amenable number.

6800006680 is an abundant number, since it is smaller than the sum of its proper divisors (8502869720).

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

6800006680 is a wasteful number, since it uses less digits than its factorization.

6800006680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31803 (or 31799 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 6800006680 is about 82462.1530157926. The cubic root of 6800006680 is about 1894.5370947394.

The spelling of 6800006680 in words is "six billion, eight hundred million, six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 6803 13606 24989 27212 34015 49978 54424 68030 99956 124945 136060 199912 249890 272120 499780 999560 170000167 340000334 680000668 850000835 1360001336 1700001670 3400003340 6800006680