Base | Representation |
---|---|
bin | 11001011010100… |
… | …11010011101001 |
3 | 112212011210101001 |
4 | 30231103103221 |
5 | 414034432103 |
6 | 33053355001 |
7 | 5166121423 |
oct | 1455232351 |
9 | 485153331 |
10 | 213202153 |
11 | aa38aa2a |
12 | 5b498a61 |
13 | 3522a528 |
14 | 2045b813 |
15 | 13ab601d |
hex | cb534e9 |
213202153 has 2 divisors, whose sum is σ = 213202154. Its totient is φ = 213202152.
The previous prime is 213202123. The next prime is 213202181. The reversal of 213202153 is 351202312.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 206295769 + 6906384 = 14363^2 + 2628^2 .
It is a cyclic number.
It is not a de Polignac number, because 213202153 - 213 = 213193961 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 213202153.
It is not a weakly prime, because it can be changed into another prime (213202123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601076 + 106601077.
It is an arithmetic number, because the mean of its divisors is an integer number (106601077).
Almost surely, 2213202153 is an apocalyptic number.
It is an amenable number.
213202153 is a deficient number, since it is larger than the sum of its proper divisors (1).
213202153 is an equidigital number, since it uses as much as digits as its factorization.
213202153 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 213202153 is about 14601.4435245287. The cubic root of 213202153 is about 597.3981343940.
Adding to 213202153 its reverse (351202312), we get a palindrome (564404465).
The spelling of 213202153 in words is "two hundred thirteen million, two hundred two thousand, one hundred fifty-three".
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