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20223130111 = 1921013731487
BaseRepresentation
bin10010110101011001…
…000111100111111111
31221012101101110012221
4102311121013213333
5312404110130421
613142415510211
71314101525002
oct226531074777
957171343187
1020223130111
11863847aa78
123b04828367
131ba399cca2
14d9bba9539
157d5643841
hex4b56479ff

20223130111 has 24 divisors (see below), whose sum is σ = 21627169344. Its totient is φ = 18905486400.

The previous prime is 20223130091. The next prime is 20223130117. The reversal of 20223130111 is 11103132202.

It is not a de Polignac number, because 20223130111 - 215 = 20223097343 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 (20223130117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13599210 + ... + 13600696.

It is an arithmetic number, because the mean of its divisors is an integer number (901132056).

Almost surely, 220223130111 is an apocalyptic number.

20223130111 is a deficient number, since it is larger than the sum of its proper divisors (1404039233).

20223130111 is a wasteful number, since it uses less digits than its factorization.

20223130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20223130111 its reverse (11103132202), we get a palindrome (31326262313).

The spelling of 20223130111 in words is "twenty billion, two hundred twenty-three million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 19 101 361 373 1487 1919 7087 28253 36461 37673 134653 150187 536807 554651 715787 2853553 10538369 13599953 54217507 56019751 200229011 1064375269 20223130111