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10212103 = 117731201
BaseRepresentation
bin100110111101…
…001100000111
3201012211101001
4212331030013
510103241403
61002514131
7152541616
oct46751407
921184331
1010212103
115845560
123505947
132167285
1414db87d
15d6ac1d
hex9bd307

10212103 has 8 divisors (see below), whose sum is σ = 11164176. Its totient is φ = 9264000.

The previous prime is 10212077. The next prime is 10212119. The reversal of 10212103 is 30121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212103 - 217 = 10081031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212173) 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 7 ways as a sum of consecutive naturals, for example, 7903 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (1395522).

Almost surely, 210212103 is an apocalyptic number.

10212103 is a deficient number, since it is larger than the sum of its proper divisors (952073).

10212103 is a wasteful number, since it uses less digits than its factorization.

10212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10212103 is about 3195.6381209392. The cubic root of 10212103 is about 216.9560317807.

Adding to 10212103 its reverse (30121201), we get a palindrome (40333304).

The spelling of 10212103 in words is "ten million, two hundred twelve thousand, one hundred three".

Divisors: 1 11 773 1201 8503 13211 928373 10212103