Base | Representation |
---|---|
bin | 11000101111110000… |
… | …00100011110111111 |
3 | 1021021212222010022022 |
4 | 30113320010132333 |
5 | 204202040220122 |
6 | 10034145510355 |
7 | 650140454006 |
oct | 142770043677 |
9 | 37255863268 |
10 | 13285476287 |
11 | 56a8339a76 |
12 | 26a93423bb |
13 | 1339585b95 |
14 | 90063bc3d |
15 | 52b542642 |
hex | 317e047bf |
13285476287 has 4 divisors (see below), whose sum is σ = 13609512336. Its totient is φ = 12961440240.
The previous prime is 13285476277. The next prime is 13285476289. The reversal of 13285476287 is 78267458231.
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 13285476287 - 24 = 13285476271 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 (13285476289) 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, 162017963 + ... + 162018044.
It is an arithmetic number, because the mean of its divisors is an integer number (3402378084).
Almost surely, 213285476287 is an apocalyptic number.
13285476287 is a deficient number, since it is larger than the sum of its proper divisors (324036049).
13285476287 is an equidigital number, since it uses as much as digits as its factorization.
13285476287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324036048.
The product of its digits is 4515840, while the sum is 53.
The spelling of 13285476287 in words is "thirteen billion, two hundred eighty-five million, four hundred seventy-six thousand, two hundred eighty-seven".
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