Base | Representation |
---|---|
bin | 111111100101010111… |
… | …011010101011011100 |
3 | 20112020000222222101011 |
4 | 333211113122223130 |
5 | 2104310243133432 |
6 | 51210343225004 |
7 | 4634600532643 |
oct | 774527325334 |
9 | 215200888334 |
10 | 68272630492 |
11 | 26a55135870 |
12 | 11294448164 |
13 | 6590607511 |
14 | 343944835a |
15 | 1b98b52847 |
hex | fe55daadc |
68272630492 has 12 divisors (see below), whose sum is σ = 130338658296. Its totient is φ = 31033013840.
The previous prime is 68272630487. The next prime is 68272630537. The reversal of 68272630492 is 29403627286.
It is a super-2 number, since 2×682726304922 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775825303 + ... + 775825390.
It is an arithmetic number, because the mean of its divisors is an integer number (10861554858).
Almost surely, 268272630492 is an apocalyptic number.
It is an amenable number.
68272630492 is a deficient number, since it is larger than the sum of its proper divisors (62066027804).
68272630492 is a wasteful number, since it uses less digits than its factorization.
68272630492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1551650708 (or 1551650706 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 49.
The spelling of 68272630492 in words is "sixty-eight billion, two hundred seventy-two million, six hundred thirty thousand, four hundred ninety-two".
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