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212310103 = 3153129221
BaseRepresentation
bin11001010011110…
…01100001010111
3112210111110201011
430221321201113
5413322410403
633022313051
75155414615
oct1451714127
9483443634
10212310103
11a99307a5
125b128787
1334ca74a5
14202a86b5
151398ba6d
hexca79857

212310103 has 8 divisors (see below), whose sum is σ = 223295616. Its totient is φ = 201583200.

The previous prime is 212310101. The next prime is 212310113. The reversal of 212310103 is 301013212.

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 212310103 - 21 = 212310101 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 (212310101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62968 + ... + 66253.

It is an arithmetic number, because the mean of its divisors is an integer number (27911952).

Almost surely, 2212310103 is an apocalyptic number.

212310103 is a deficient number, since it is larger than the sum of its proper divisors (10985513).

212310103 is a wasteful number, since it uses less digits than its factorization.

212310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129305.

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

The square root of 212310103 is about 14570.8648679480. The cubic root of 212310103 is about 596.5637870053.

Adding to 212310103 its reverse (301013212), we get a palindrome (513323315).

The spelling of 212310103 in words is "two hundred twelve million, three hundred ten thousand, one hundred three".

Divisors: 1 31 53 1643 129221 4005851 6848713 212310103