Base | Representation |
---|---|
bin | 10111111111011… |
… | …10100110100011 |
3 | 112000200211102011 |
4 | 23333232212203 |
5 | 403010132311 |
6 | 31545333351 |
7 | 4662433144 |
oct | 1377564643 |
9 | 460624364 |
10 | 201255331 |
11 | a3670122 |
12 | 57497257 |
13 | 329067c4 |
14 | 1ca2bacb |
15 | 12a06321 |
hex | bfee9a3 |
201255331 has 8 divisors (see below), whose sum is σ = 208530000. Its totient is φ = 194003040.
The previous prime is 201255323. The next prime is 201255349. The reversal of 201255331 is 133552102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 201255331 - 23 = 201255323 is a prime.
It is a super-2 number, since 2×2012553312 = 81007416511839122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201255361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13920 + ... + 24418.
It is an arithmetic number, because the mean of its divisors is an integer number (26066250).
Almost surely, 2201255331 is an apocalyptic number.
201255331 is a deficient number, since it is larger than the sum of its proper divisors (7274669).
201255331 is a wasteful number, since it uses less digits than its factorization.
201255331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11189.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 201255331 is about 14186.4488509281. The cubic root of 201255331 is about 586.0245333297.
The spelling of 201255331 in words is "two hundred one million, two hundred fifty-five thousand, three hundred thirty-one".
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