Base | Representation |
---|---|
bin | 111111110001010110… |
… | …011010110011000011 |
3 | 20112202001100010121121 |
4 | 333301112122303003 |
5 | 2110213231223202 |
6 | 51242324533111 |
7 | 4642561544044 |
oct | 776126326303 |
9 | 215661303547 |
10 | 68473695427 |
11 | 27048685935 |
12 | 1132b851197 |
13 | 65c3175457 |
14 | 34580268cb |
15 | 1bab61c537 |
hex | ff159acc3 |
68473695427 has 4 divisors (see below), whose sum is σ = 68474231800. Its totient is φ = 68473159056.
The previous prime is 68473695421. The next prime is 68473695461. The reversal of 68473695427 is 72459637486.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 68473695427 - 27 = 68473695299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68473695421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45988 + ... + 372910.
It is an arithmetic number, because the mean of its divisors is an integer number (17118557950).
Almost surely, 268473695427 is an apocalyptic number.
68473695427 is a deficient number, since it is larger than the sum of its proper divisors (536373).
68473695427 is a wasteful number, since it uses less digits than its factorization.
68473695427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536372.
The product of its digits is 60963840, while the sum is 61.
The spelling of 68473695427 in words is "sixty-eight billion, four hundred seventy-three million, six hundred ninety-five thousand, four hundred twenty-seven".
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