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2103022213 = 17123707189
BaseRepresentation
bin111110101011001…
…1001001010000101
312102120012121010121
41331112121022011
513301333202323
6544403021541
7103054252045
oct17526311205
95376177117
102103022213
1198a112796
124a836a8b1
13276908656
1415d435725
15c4962a5d
hex7d599285

2103022213 has 4 divisors (see below), whose sum is σ = 2226729420. Its totient is φ = 1979315008.

The previous prime is 2103022193. The next prime is 2103022253. The reversal of 2103022213 is 3122203012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1627476964 + 475545249 = 40342^2 + 21807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2103022213 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 (2103022253) 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, 61853578 + ... + 61853611.

It is an arithmetic number, because the mean of its divisors is an integer number (556682355).

Almost surely, 22103022213 is an apocalyptic number.

It is an amenable number.

2103022213 is a deficient number, since it is larger than the sum of its proper divisors (123707207).

2103022213 is a wasteful number, since it uses less digits than its factorization.

2103022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123707206.

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

The square root of 2103022213 is about 45858.7201413210. The cubic root of 2103022213 is about 1281.1931852879.

Adding to 2103022213 its reverse (3122203012), we get a palindrome (5225225225).

The spelling of 2103022213 in words is "two billion, one hundred three million, twenty-two thousand, two hundred thirteen".

Divisors: 1 17 123707189 2103022213