Base | Representation |
---|---|
bin | 111111011101000010… |
… | …000111001110101001 |
3 | 20111212021221021111210 |
4 | 333131002013032221 |
5 | 2104014000444243 |
6 | 51144430543333 |
7 | 4631252324502 |
oct | 773502071651 |
9 | 214767837453 |
10 | 68132828073 |
11 | 26993229182 |
12 | 11255667b49 |
13 | 656a6690ab |
14 | 3424a55ba9 |
15 | 1b8b739933 |
hex | fdd0873a9 |
68132828073 has 8 divisors (see below), whose sum is σ = 90851759488. Its totient is φ = 45417891024.
The previous prime is 68132828051. The next prime is 68132828077. The reversal of 68132828073 is 37082823186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68132828073 - 25 = 68132828041 is a prime.
It is a super-2 number, since 2×681328280732 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68132828077) 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, 958561 + ... + 1027182.
It is an arithmetic number, because the mean of its divisors is an integer number (11356469936).
Almost surely, 268132828073 is an apocalyptic number.
It is an amenable number.
68132828073 is a deficient number, since it is larger than the sum of its proper divisors (22718931415).
68132828073 is a wasteful number, since it uses less digits than its factorization.
68132828073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1997183.
The product of its (nonzero) digits is 774144, while the sum is 48.
The spelling of 68132828073 in words is "sixty-eight billion, one hundred thirty-two million, eight hundred twenty-eight thousand, seventy-three".
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