Base | Representation |
---|---|
bin | 1000001010101… |
… | …10001010100101 |
3 | 11202220200120020 |
4 | 10011112022211 |
5 | 120014312443 |
6 | 10444225353 |
7 | 1461220461 |
oct | 405261245 |
9 | 152820506 |
10 | 68510373 |
11 | 35743948 |
12 | 1ab3b259 |
13 | 112697a9 |
14 | 91554a1 |
15 | 6034583 |
hex | 41562a5 |
68510373 has 4 divisors (see below), whose sum is σ = 91347168. Its totient is φ = 45673580.
The previous prime is 68510359. The next prime is 68510389. The reversal of 68510373 is 37301586.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68510373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68510173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11418393 + ... + 11418398.
It is an arithmetic number, because the mean of its divisors is an integer number (22836792).
Almost surely, 268510373 is an apocalyptic number.
It is an amenable number.
68510373 is a deficient number, since it is larger than the sum of its proper divisors (22836795).
68510373 is a wasteful number, since it uses less digits than its factorization.
68510373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22836794.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 68510373 is about 8277.0993107489. The cubic root of 68510373 is about 409.1841261022.
The spelling of 68510373 in words is "sixty-eight million, five hundred ten thousand, three hundred seventy-three".
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