Base | Representation |
---|---|
bin | 111111100101011000… |
… | …010000110111011010 |
3 | 20112020001102020211112 |
4 | 333211120100313122 |
5 | 2104310322234232 |
6 | 51210352100322 |
7 | 4634602446014 |
oct | 774530206732 |
9 | 215201366745 |
10 | 68272852442 |
11 | 26a552775a3 |
12 | 112945346a2 |
13 | 6590684552 |
14 | 34394a51b4 |
15 | 1b98b984b2 |
hex | fe5610dda |
68272852442 has 32 divisors (see below), whose sum is σ = 104295392208. Its totient is φ = 33512472576.
The previous prime is 68272852433. The next prime is 68272852457. The reversal of 68272852442 is 24425827286.
It can be written as a sum of positive squares in 8 ways, for example, as 4869108841 + 63403743601 = 69779^2 + 251801^2 .
It is a super-2 number, since 2×682728524422 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43961138 + ... + 43962690.
Almost surely, 268272852442 is an apocalyptic number.
68272852442 is a deficient number, since it is larger than the sum of its proper divisors (36022539766).
68272852442 is a wasteful number, since it uses less digits than its factorization.
68272852442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2834.
The product of its digits is 3440640, while the sum is 50.
The spelling of 68272852442 in words is "sixty-eight billion, two hundred seventy-two million, eight hundred fifty-two thousand, four hundred forty-two".
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