Base | Representation |
---|---|
bin | 110011111011000000100001… |
… | …011110100101100111000111 |
3 | 1002221112120011021000210112011 |
4 | 303323000201132211213013 |
5 | 214412333311003011411 |
6 | 2125401003055435051 |
7 | 66046063156666204 |
oct | 6373004136454707 |
9 | 1087476137023464 |
10 | 228355382860231 |
11 | 66840a79459490 |
12 | 21740977825a87 |
13 | 9a55a87cb3c83 |
14 | 4056660c36cab |
15 | 1b600aa770c21 |
hex | cfb0217a59c7 |
228355382860231 has 8 divisors (see below), whose sum is σ = 249117569990784. Its totient is φ = 207593630208120.
The previous prime is 228355382860229. The next prime is 228355382860259. The reversal of 228355382860231 is 132068283553822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228355382860231 - 21 = 228355382860229 is a prime.
It is a super-2 number, since 2×2283553828602312 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228355382960231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107520171 + ... + 109623436.
It is an arithmetic number, because the mean of its divisors is an integer number (31139696248848).
Almost surely, 2228355382860231 is an apocalyptic number.
228355382860231 is a deficient number, since it is larger than the sum of its proper divisors (20762187130553).
228355382860231 is a wasteful number, since it uses less digits than its factorization.
228355382860231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217239221.
The product of its (nonzero) digits is 33177600, while the sum is 58.
The spelling of 228355382860231 in words is "two hundred twenty-eight trillion, three hundred fifty-five billion, three hundred eighty-two million, eight hundred sixty thousand, two hundred thirty-one".
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