Base | Representation |
---|---|
bin | 1000000111011… |
… | …00000111101111 |
3 | 11202002121201220 |
4 | 10003230013233 |
5 | 114411413030 |
6 | 10431034423 |
7 | 1454431230 |
oct | 403540757 |
9 | 152077656 |
10 | 68076015 |
11 | 35477577 |
12 | 1a96ba13 |
13 | 11146b87 |
14 | 9081087 |
15 | 5e9aa10 |
hex | 40ec1ef |
68076015 has 16 divisors (see below), whose sum is σ = 124482048. Its totient is φ = 31120416.
The previous prime is 68075989. The next prime is 68076017. The reversal of 68076015 is 51067086.
It is not a de Polignac number, because 68076015 - 26 = 68075951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68076017) 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, 324067 + ... + 324276.
It is an arithmetic number, because the mean of its divisors is an integer number (7780128).
Almost surely, 268076015 is an apocalyptic number.
68076015 is a deficient number, since it is larger than the sum of its proper divisors (56406033).
68076015 is a wasteful number, since it uses less digits than its factorization.
68076015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648358.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 68076015 is about 8250.8190502519. The cubic root of 68076015 is about 408.3175452269.
The spelling of 68076015 in words is "sixty-eight million, seventy-six thousand, fifteen".
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