Base | Representation |
---|---|
bin | 1000010101011101010… |
… | …10100000101001100001 |
3 | 1000101020120210001112201 |
4 | 10022232222200221201 |
5 | 14143020421032042 |
6 | 335323003453201 |
7 | 26456133465565 |
oct | 4125652405141 |
9 | 1011216701481 |
10 | 286398220897 |
11 | 100508369348 |
12 | 4760a227201 |
13 | 21012b8a5c9 |
14 | dc0c8c96a5 |
15 | 76b34dc1b7 |
hex | 42aeaa0a61 |
286398220897 has 16 divisors (see below), whose sum is σ = 296426304000. Its totient is φ = 276420049920.
The previous prime is 286398220879. The next prime is 286398220957. The reversal of 286398220897 is 798022893682.
It is a cyclic number.
It is not a de Polignac number, because 286398220897 - 211 = 286398218849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (286398220807) 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, 58721823 + ... + 58726699.
It is an arithmetic number, because the mean of its divisors is an integer number (18526644000).
Almost surely, 2286398220897 is an apocalyptic number.
It is an amenable number.
286398220897 is a deficient number, since it is larger than the sum of its proper divisors (10028083103).
286398220897 is a wasteful number, since it uses less digits than its factorization.
286398220897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9576.
The product of its (nonzero) digits is 41803776, while the sum is 64.
The spelling of 286398220897 in words is "two hundred eighty-six billion, three hundred ninety-eight million, two hundred twenty thousand, eight hundred ninety-seven".
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