Base | Representation |
---|---|
bin | 11111000110011001111000… |
… | …01111001011110010001011 |
3 | 22222010222221222221202002202 |
4 | 33203030330033023302023 |
5 | 32430444224331230340 |
6 | 401241455010350415 |
7 | 20255666242603226 |
oct | 1743147417136213 |
9 | 288128858852082 |
10 | 68389774867595 |
11 | 1a877a38aa4395 |
12 | 780649128b40b |
13 | 2c2118857997c |
14 | 12c61231705bd |
15 | 7d8e958d2c15 |
hex | 3e333c3cbc8b |
68389774867595 has 8 divisors (see below), whose sum is σ = 82067774580960. Its totient is φ = 54711790067520.
The previous prime is 68389774867483. The next prime is 68389774867657. The reversal of 68389774867595 is 59576847798386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68389774867595 - 216 = 68389774802059 is a prime.
It is a super-2 number, since 2×683897748675952 (a number of 28 digits) contains 22 as substring.
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, 14183591 + ... + 18383519.
It is an arithmetic number, because the mean of its divisors is an integer number (10258471822620).
Almost surely, 268389774867595 is an apocalyptic number.
68389774867595 is a deficient number, since it is larger than the sum of its proper divisors (13677999713365).
68389774867595 is a wasteful number, since it uses less digits than its factorization.
68389774867595 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7456645.
The product of its digits is 153628876800, while the sum is 92.
The spelling of 68389774867595 in words is "sixty-eight trillion, three hundred eighty-nine billion, seven hundred seventy-four million, eight hundred sixty-seven thousand, five hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •