Base | Representation |
---|---|
bin | 10111111111001… |
… | …00010011011111 |
3 | 112000121200112221 |
4 | 23333210103133 |
5 | 403002310101 |
6 | 31544410211 |
7 | 4662166156 |
oct | 1377442337 |
9 | 460550487 |
10 | 201213151 |
11 | a3641467 |
12 | 57476967 |
13 | 328c0549 |
14 | 1ca1a59d |
15 | 129e8aa1 |
hex | bfe44df |
201213151 has 2 divisors, whose sum is σ = 201213152. Its totient is φ = 201213150.
The previous prime is 201213137. The next prime is 201213163. The reversal of 201213151 is 151312102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 201213151 - 29 = 201212639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201213101) 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 as a sum of consecutive naturals, namely, 100606575 + 100606576.
It is an arithmetic number, because the mean of its divisors is an integer number (100606576).
Almost surely, 2201213151 is an apocalyptic number.
201213151 is a deficient number, since it is larger than the sum of its proper divisors (1).
201213151 is an equidigital number, since it uses as much as digits as its factorization.
201213151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 201213151 is about 14184.9621430584. The cubic root of 201213151 is about 585.9835899143.
Adding to 201213151 its reverse (151312102), we get a palindrome (352525253).
The spelling of 201213151 in words is "two hundred one million, two hundred thirteen thousand, one hundred fifty-one".
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