Base | Representation |
---|---|
bin | 111111001101111110… |
… | …111100110100100011 |
3 | 20111012200211121001020 |
4 | 333031332330310203 |
5 | 2103004331401041 |
6 | 51103411140523 |
7 | 4622065243065 |
oct | 771576746443 |
9 | 214180747036 |
10 | 67880340771 |
11 | 26873756791 |
12 | 111a4ba4743 |
13 | 652a265519 |
14 | 33dd2cd735 |
15 | 1b744b3866 |
hex | fcdfbcd23 |
67880340771 has 8 divisors (see below), whose sum is σ = 90532565760. Its totient is φ = 45240838152.
The previous prime is 67880340751. The next prime is 67880340817. The reversal of 67880340771 is 17704308876.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67880340771 - 26 = 67880340707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (67880340721) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168135 + ... + 3189488.
It is an arithmetic number, because the mean of its divisors is an integer number (11316570720).
Almost surely, 267880340771 is an apocalyptic number.
67880340771 is a deficient number, since it is larger than the sum of its proper divisors (22652224989).
67880340771 is a wasteful number, since it uses less digits than its factorization.
67880340771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6361185.
The product of its (nonzero) digits is 1580544, while the sum is 51.
The spelling of 67880340771 in words is "sixty-seven billion, eight hundred eighty million, three hundred forty thousand, seven hundred seventy-one".
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