Base | Representation |
---|---|
bin | 1000000111111… |
… | …01010101010010 |
3 | 11202020012102222 |
4 | 10003331111102 |
5 | 114421142024 |
6 | 10432341042 |
7 | 1455143612 |
oct | 403752522 |
9 | 152205388 |
10 | 68146514 |
11 | 35515537 |
12 | 1a9a4782 |
13 | 1116cca7 |
14 | 909ca42 |
15 | 5eb185e |
hex | 40fd552 |
68146514 has 4 divisors (see below), whose sum is σ = 102219774. Its totient is φ = 34073256.
The previous prime is 68146511. The next prime is 68146517. The reversal of 68146514 is 41564186.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41564186 = 2 ⋅20782093.
It is an interprime number because it is at equal distance from previous prime (68146511) and next prime (68146517).
It can be written as a sum of positive squares in only one way, i.e., 65691025 + 2455489 = 8105^2 + 1567^2 .
It is not an unprimeable number, because it can be changed into a prime (68146511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17036627 + ... + 17036630.
Almost surely, 268146514 is an apocalyptic number.
68146514 is a deficient number, since it is larger than the sum of its proper divisors (34073260).
68146514 is a wasteful number, since it uses less digits than its factorization.
68146514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34073259.
The product of its digits is 23040, while the sum is 35.
The square root of 68146514 is about 8255.0901872723. The cubic root of 68146514 is about 408.4584467740.
The spelling of 68146514 in words is "sixty-eight million, one hundred forty-six thousand, five hundred fourteen".
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