Search a number
-
+
20221241013 = 327612952437
BaseRepresentation
bin10010110101010001…
…111010011010110101
31221012020211110212100
4102311101322122311
5312403114203023
613142311212313
71314046466301
oct226521723265
957166743770
1020221241013
1186373aa736
123b04077099
131ba348b18c
14d9b836d01
157d53bdc43
hex4b547a6b5

20221241013 has 12 divisors (see below), whose sum is σ = 29246850828. Its totient is φ = 13463108160.

The previous prime is 20221241011. The next prime is 20221241021. The reversal of 20221241013 is 31014212202.

It is a happy number.

20221241013 is a `hidden beast` number, since 20 + 221 + 2 + 410 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9205059249 + 11016181764 = 95943^2 + 104958^2 .

It is not a de Polignac number, because 20221241013 - 21 = 20221241011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221241011) 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 11 ways as a sum of consecutive naturals, for example, 1469370 + ... + 1483067.

It is an arithmetic number, because the mean of its divisors is an integer number (2437237569).

Almost surely, 220221241013 is an apocalyptic number.

It is an amenable number.

20221241013 is a deficient number, since it is larger than the sum of its proper divisors (9025609815).

20221241013 is a wasteful number, since it uses less digits than its factorization.

20221241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953204 (or 2953201 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20221241013 its reverse (31014212202), we get a palindrome (51235453215).

The spelling of 20221241013 in words is "twenty billion, two hundred twenty-one million, two hundred forty-one thousand, thirteen".

Divisors: 1 3 9 761 2283 6849 2952437 8857311 26571933 2246804557 6740413671 20221241013