Base | Representation |
---|---|
bin | 1000001110010… |
… | …10000011111011 |
3 | 11210210210202002 |
4 | 10013022003323 |
5 | 120130010313 |
6 | 10502331215 |
7 | 1465235456 |
oct | 407120373 |
9 | 153723662 |
10 | 68985083 |
11 | 35a38572 |
12 | 1b129b0b |
13 | 113a489b |
14 | 923a49d |
15 | 60ca058 |
hex | 41ca0fb |
68985083 has 8 divisors (see below), whose sum is σ = 71828736. Its totient is φ = 66196800.
The previous prime is 68985079. The next prime is 68985107. The reversal of 68985083 is 38058986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68985083 - 22 = 68985079 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68985043) 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 in 7 ways as a sum of consecutive naturals, for example, 11291 + ... + 16292.
It is an arithmetic number, because the mean of its divisors is an integer number (8978592).
Almost surely, 268985083 is an apocalyptic number.
68985083 is a deficient number, since it is larger than the sum of its proper divisors (2843653).
68985083 is a wasteful number, since it uses less digits than its factorization.
68985083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27685.
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 68985083 is about 8305.7259164988. The cubic root of 68985083 is about 410.1270338067.
The spelling of 68985083 in words is "sixty-eight million, nine hundred eighty-five thousand, eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •