Base | Representation |
---|---|
bin | 111111001001101110… |
… | …011001010010100011 |
3 | 20111000201101121211221 |
4 | 333021232121102203 |
5 | 2102333034021232 |
6 | 51052335515511 |
7 | 4620240033610 |
oct | 771156312243 |
9 | 214021347757 |
10 | 67808892067 |
11 | 26837396274 |
12 | 11185088b97 |
13 | 651850a497 |
14 | 33d3a11507 |
15 | 1b6d09d897 |
hex | fc9b994a3 |
67808892067 has 8 divisors (see below), whose sum is σ = 77608032512. Its totient is φ = 58037790600.
The previous prime is 67808892061. The next prime is 67808892089. The reversal of 67808892067 is 76029880876.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67808892067 - 219 = 67808367779 is a prime.
It is a super-3 number, since 3×678088920673 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 67808891996 and 67808892014.
It is not an unprimeable number, because it can be changed into a prime (67808892061) 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, 7004559 + ... + 7014232.
It is an arithmetic number, because the mean of its divisors is an integer number (9701004064).
Almost surely, 267808892067 is an apocalyptic number.
67808892067 is a deficient number, since it is larger than the sum of its proper divisors (9799140445).
67808892067 is a wasteful number, since it uses less digits than its factorization.
67808892067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14019489.
The product of its (nonzero) digits is 16257024, while the sum is 61.
The spelling of 67808892067 in words is "sixty-seven billion, eight hundred eight million, eight hundred ninety-two thousand, sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •