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2112212130103 = 17124247772359
BaseRepresentation
bin11110101111001001101…
…001110101100100110111
321110220222200202200100201
4132233021221311210313
5234101302301130403
64254200432221331
7305413404605305
oct36571151654467
97426880680321
102112212130103
11744869755a99
122a143b69a847
1312424714bbaa
147433578b275
1539e243db21d
hex1ebc9a75937

2112212130103 has 4 divisors (see below), whose sum is σ = 2236459902480. Its totient is φ = 1987964357728.

The previous prime is 2112212130097. The next prime is 2112212130151. The reversal of 2112212130103 is 3010312122112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112212130103 - 213 = 2112212121911 is a prime.

It is a super-2 number, since 2×21122121301032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212130163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62123886163 + ... + 62123886196.

It is an arithmetic number, because the mean of its divisors is an integer number (559114975620).

Almost surely, 22112212130103 is an apocalyptic number.

2112212130103 is a deficient number, since it is larger than the sum of its proper divisors (124247772377).

2112212130103 is a wasteful number, since it uses less digits than its factorization.

2112212130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124247772376.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2112212130103 its reverse (3010312122112), we get a palindrome (5122524252215).

The spelling of 2112212130103 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred thirty thousand, one hundred three".

Divisors: 1 17 124247772359 2112212130103