Base | Representation |
---|---|
bin | 1000001000011… |
… | …01101000110101 |
3 | 11202100121001120 |
4 | 10010031220311 |
5 | 114430311201 |
6 | 10434014153 |
7 | 1455542412 |
oct | 404155065 |
9 | 152317046 |
10 | 68213301 |
11 | 35560732 |
12 | 1aa17359 |
13 | 11194500 |
14 | 90b9109 |
15 | 5ec6536 |
hex | 410da35 |
68213301 has 24 divisors (see below), whose sum is σ = 99733536. Its totient is φ = 41446080.
The previous prime is 68213293. The next prime is 68213359. The reversal of 68213301 is 10331286.
It is not a de Polignac number, because 68213301 - 23 = 68213293 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68213701) 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 23 ways as a sum of consecutive naturals, for example, 41271 + ... + 42891.
It is an arithmetic number, because the mean of its divisors is an integer number (4155564).
Almost surely, 268213301 is an apocalyptic number.
It is an amenable number.
68213301 is a deficient number, since it is larger than the sum of its proper divisors (31520235).
68213301 is a wasteful number, since it uses less digits than its factorization.
68213301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1733 (or 1720 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 68213301 is about 8259.1343977441. The cubic root of 68213301 is about 408.5918397910.
Adding to 68213301 its reverse (10331286), we get a palindrome (78544587).
The spelling of 68213301 in words is "sixty-eight million, two hundred thirteen thousand, three hundred one".
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