Base | Representation |
---|---|
bin | 1000001010110… |
… | …10010111111101 |
3 | 11202221120012202 |
4 | 10011122113331 |
5 | 120020340423 |
6 | 10444441245 |
7 | 1461321650 |
oct | 405322775 |
9 | 152846182 |
10 | 68527613 |
11 | 357558a0 |
12 | 1ab49225 |
13 | 112745ab |
14 | 915b897 |
15 | 6039728 |
hex | 415a5fd |
68527613 has 16 divisors (see below), whose sum is σ = 85645824. Its totient is φ = 53267760.
The previous prime is 68527579. The next prime is 68527621. The reversal of 68527613 is 31672586.
It is a de Polignac number, because none of the positive numbers 2k-68527613 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68527643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41306 + ... + 42932.
It is an arithmetic number, because the mean of its divisors is an integer number (5352864).
Almost surely, 268527613 is an apocalyptic number.
It is an amenable number.
68527613 is a deficient number, since it is larger than the sum of its proper divisors (17118211).
68527613 is a wasteful number, since it uses less digits than its factorization.
68527613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2192.
The product of its digits is 60480, while the sum is 38.
The square root of 68527613 is about 8278.1406728806. The cubic root of 68527613 is about 409.2184456871.
The spelling of 68527613 in words is "sixty-eight million, five hundred twenty-seven thousand, six hundred thirteen".
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