Base | Representation |
---|---|
bin | 111110111101101010… |
… | …101000110111001000 |
3 | 20110111121201010210121 |
4 | 332331222220313020 |
5 | 2101424241040210 |
6 | 51020311353024 |
7 | 4612232311522 |
oct | 767552506710 |
9 | 213447633717 |
10 | 67606580680 |
11 | 26743174781 |
12 | 11129382774 |
13 | 64b56240c2 |
14 | 33b4bcaa12 |
15 | 1b5a4396da |
hex | fbdaa8dc8 |
67606580680 has 16 divisors (see below), whose sum is σ = 152114806620. Its totient is φ = 27042632256.
The previous prime is 67606580651. The next prime is 67606580707. The reversal of 67606580680 is 8608560676.
It can be written as a sum of positive squares in 2 ways, for example, as 67102757764 + 503822916 = 259042^2 + 22446^2 .
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, 845082219 + ... + 845082298.
Almost surely, 267606580680 is an apocalyptic number.
It is an amenable number.
67606580680 is an abundant number, since it is smaller than the sum of its proper divisors (84508225940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67606580680 is a wasteful number, since it uses less digits than its factorization.
67606580680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690164528 (or 1690164524 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 52.
The spelling of 67606580680 in words is "sixty-seven billion, six hundred six million, five hundred eighty thousand, six hundred eighty".
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