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2120211303 = 373123913627
BaseRepresentation
bin111111001011111…
…1101101101100111
312110202112220010120
41332113331231213
513320233230203
6550215253023
7103353333030
oct17627755547
95422486116
102120211303
11998893151
124b207a173
1327a346502
1416182ba87
15c620ab53
hex7e5fdb67

2120211303 has 32 divisors (see below), whose sum is σ = 3349217280. Its totient is φ = 1167475680.

The previous prime is 2120211283. The next prime is 2120211329. The reversal of 2120211303 is 3031120212.

It is not a de Polignac number, because 2120211303 - 26 = 2120211239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120411303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148776 + ... + 162402.

It is an arithmetic number, because the mean of its divisors is an integer number (104663040).

Almost surely, 22120211303 is an apocalyptic number.

2120211303 is a deficient number, since it is larger than the sum of its proper divisors (1229005977).

2120211303 is a wasteful number, since it uses less digits than its factorization.

2120211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120211303 is about 46045.7522796620. The cubic root of 2120211303 is about 1284.6743365655.

Adding to 2120211303 its reverse (3031120212), we get a palindrome (5151331515).

The spelling of 2120211303 in words is "two billion, one hundred twenty million, two hundred eleven thousand, three hundred three".

Divisors: 1 3 7 21 31 93 217 239 651 717 1673 5019 7409 13627 22227 40881 51863 95389 155589 286167 422437 1267311 2957059 3256853 8871177 9770559 22797971 68393913 100962443 302887329 706737101 2120211303