Base | Representation |
---|---|
bin | 1000001110000… |
… | …00110010011111 |
3 | 11210201212122102 |
4 | 10013000302133 |
5 | 120122301403 |
6 | 10501435315 |
7 | 1465016651 |
oct | 407006237 |
9 | 153655572 |
10 | 68947103 |
11 | 35a11a85 |
12 | 1b10bb3b |
13 | 11390504 |
14 | 922a6d1 |
15 | 60bdb88 |
hex | 41c0c9f |
68947103 has 4 divisors (see below), whose sum is σ = 70550568. Its totient is φ = 67343640.
The previous prime is 68947097. The next prime is 68947129. The reversal of 68947103 is 30174986.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30174986 = 2 ⋅15087493.
It is a cyclic number.
It is not a de Polignac number, because 68947103 - 216 = 68881567 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68947163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801668 + ... + 801753.
It is an arithmetic number, because the mean of its divisors is an integer number (17637642).
Almost surely, 268947103 is an apocalyptic number.
68947103 is a deficient number, since it is larger than the sum of its proper divisors (1603465).
68947103 is a wasteful number, since it uses less digits than its factorization.
68947103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603464.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 68947103 is about 8303.4392272118. The cubic root of 68947103 is about 410.0517543234.
The spelling of 68947103 in words is "sixty-eight million, nine hundred forty-seven thousand, one hundred three".
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