Base | Representation |
---|---|
bin | 100000000000101011… |
… | …0001011001001111110 |
3 | 20120102202022210221121 |
4 | 1000001112023021332 |
5 | 2111240432114224 |
6 | 51325113021154 |
7 | 4652330632651 |
oct | 1000126131176 |
9 | 216382283847 |
10 | 68742066814 |
11 | 27176117273 |
12 | 113a56b47ba |
13 | 663694aba5 |
14 | 3481925898 |
15 | 1bc4e7ebe4 |
hex | 100158b27e |
68742066814 has 8 divisors (see below), whose sum is σ = 103164228288. Its totient is φ = 34353990720.
The previous prime is 68742066769. The next prime is 68742066901. The reversal of 68742066814 is 41866024786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×687420668142 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516302 + ... + 8524369.
It is an arithmetic number, because the mean of its divisors is an integer number (12895528536).
Almost surely, 268742066814 is an apocalyptic number.
68742066814 is a deficient number, since it is larger than the sum of its proper divisors (34422161474).
68742066814 is a wasteful number, since it uses less digits than its factorization.
68742066814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17042690.
The product of its (nonzero) digits is 3096576, while the sum is 52.
The spelling of 68742066814 in words is "sixty-eight billion, seven hundred forty-two million, sixty-six thousand, eight hundred fourteen".
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