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10212133 = 59173087
BaseRepresentation
bin100110111101…
…001100100101
3201012211102011
4212331030211
510103242013
61002514221
7152541661
oct46751445
921184364
1010212133
115845588
123505971
1321672a9
1414db8a1
15d6ac3d
hex9bd325

10212133 has 4 divisors (see below), whose sum is σ = 10385280. Its totient is φ = 10038988.

The previous prime is 10212131. The next prime is 10212151. The reversal of 10212133 is 33121201.

Adding to 10212133 its reverse (33121201), we get a palindrome (43333334).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33121201 = 285711593.

It is a cyclic number.

It is not a de Polignac number, because 10212133 - 21 = 10212131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86485 + ... + 86602.

It is an arithmetic number, because the mean of its divisors is an integer number (2596320).

Almost surely, 210212133 is an apocalyptic number.

It is an amenable number.

10212133 is a deficient number, since it is larger than the sum of its proper divisors (173147).

10212133 is an equidigital number, since it uses as much as digits as its factorization.

10212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173146.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10212133 is about 3195.6428148340. The cubic root of 10212133 is about 216.9562442304.

The spelling of 10212133 in words is "ten million, two hundred twelve thousand, one hundred thirty-three".

Divisors: 1 59 173087 10212133