Base | Representation |
---|---|
bin | 10000000001011… |
… | …100001110010111 |
3 | 200201211010101201 |
4 | 100001130032113 |
5 | 1022304010312 |
6 | 42401333331 |
7 | 6442605655 |
oct | 2001341627 |
9 | 621733351 |
10 | 268813207 |
11 | 128813383 |
12 | 76037247 |
13 | 438cb890 |
14 | 279b5dd5 |
15 | 188ed557 |
hex | 1005c397 |
268813207 has 4 divisors (see below), whose sum is σ = 289491160. Its totient is φ = 248135256.
The previous prime is 268813199. The next prime is 268813277. The reversal of 268813207 is 702318862.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 268813207 - 23 = 268813199 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 (268813277) 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, 10338957 + ... + 10338982.
It is an arithmetic number, because the mean of its divisors is an integer number (72372790).
Almost surely, 2268813207 is an apocalyptic number.
268813207 is a deficient number, since it is larger than the sum of its proper divisors (20677953).
268813207 is a wasteful number, since it uses less digits than its factorization.
268813207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20677952.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 268813207 is about 16395.5239928463. The cubic root of 268813207 is about 645.3820279550.
The spelling of 268813207 in words is "two hundred sixty-eight million, eight hundred thirteen thousand, two hundred seven".
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