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2103212203 = 14291471807
BaseRepresentation
bin111110101011100…
…0111100010101011
312102120120020202021
41331113013202223
513301410242303
6544411045311
7103056003001
oct17527074253
95376506667
102103212203
1198a232504
124a8440837
13276973c81
1415d484a71
15c499debd
hex7d5c78ab

2103212203 has 4 divisors (see below), whose sum is σ = 2104685440. Its totient is φ = 2101738968.

The previous prime is 2103212191. The next prime is 2103212213. The reversal of 2103212203 is 3022123012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2103212203 is a prime.

It is a super-2 number, since 2×21032122032 = 8847003141696226418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734475 + ... + 737332.

It is an arithmetic number, because the mean of its divisors is an integer number (526171360).

Almost surely, 22103212203 is an apocalyptic number.

2103212203 is a deficient number, since it is larger than the sum of its proper divisors (1473237).

2103212203 is a wasteful number, since it uses less digits than its factorization.

2103212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473236.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2103212203 is about 45860.7915653448. The cubic root of 2103212203 is about 1281.2317657274.

Adding to 2103212203 its reverse (3022123012), we get a palindrome (5125335215).

The spelling of 2103212203 in words is "two billion, one hundred three million, two hundred twelve thousand, two hundred three".

Divisors: 1 1429 1471807 2103212203