Base | Representation |
---|---|
bin | 1000001100100… |
… | …11100000000111 |
3 | 11210101110012012 |
4 | 10012103200013 |
5 | 120100332412 |
6 | 10453444435 |
7 | 1463315105 |
oct | 406234007 |
9 | 153343165 |
10 | 68761607 |
11 | 358a5682 |
12 | 1b04071b |
13 | 11326c55 |
14 | 91bcc75 |
15 | 6083c22 |
hex | 4193807 |
68761607 has 2 divisors, whose sum is σ = 68761608. Its totient is φ = 68761606.
The previous prime is 68761573. The next prime is 68761619. The reversal of 68761607 is 70616786.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68761607 - 28 = 68761351 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68761657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34380803 + 34380804.
It is an arithmetic number, because the mean of its divisors is an integer number (34380804).
Almost surely, 268761607 is an apocalyptic number.
68761607 is a deficient number, since it is larger than the sum of its proper divisors (1).
68761607 is an equidigital number, since it uses as much as digits as its factorization.
68761607 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 68761607 is about 8292.2618747842. The cubic root of 68761607 is about 409.6836882139.
The spelling of 68761607 in words is "sixty-eight million, seven hundred sixty-one thousand, six hundred seven".
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