Base | Representation |
---|---|
bin | 11001011011110… |
… | …10011010011011 |
3 | 112212110221002120 |
4 | 30231322122123 |
5 | 414110043311 |
6 | 33101032323 |
7 | 5200356420 |
oct | 1455723233 |
9 | 485427076 |
10 | 213362331 |
11 | aa48a306 |
12 | 5b5556a3 |
13 | 35285400 |
14 | 2049dd47 |
15 | 13ae8706 |
hex | cb7a69b |
213362331 has 48 divisors (see below), whose sum is σ = 356981760. Its totient is φ = 110972160.
The previous prime is 213362327. The next prime is 213362339. The reversal of 213362331 is 133263312.
It is a happy number.
It is not a de Polignac number, because 213362331 - 22 = 213362327 is a prime.
It is a super-2 number, since 2×2133623312 = 91046968579507122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213362339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279991 + ... + 280751.
It is an arithmetic number, because the mean of its divisors is an integer number (7437120).
Almost surely, 2213362331 is an apocalyptic number.
213362331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
213362331 is a deficient number, since it is larger than the sum of its proper divisors (143619429).
213362331 is a wasteful number, since it uses less digits than its factorization.
213362331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 876 (or 863 counting only the distinct ones).
The product of its digits is 1944, while the sum is 24.
The square root of 213362331 is about 14606.9275003335. The cubic root of 213362331 is about 597.5477046230.
The spelling of 213362331 in words is "two hundred thirteen million, three hundred sixty-two thousand, three hundred thirty-one".
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