Search a number
-
+
22013320311 = 323766106067
BaseRepresentation
bin10100100000000110…
…001001110001110111
32002211010221112111200
4110200012021301313
5330040402222221
614040205503543
71406340064263
oct244006116167
962733845450
1022013320311
119376a44404
124324271bb3
1320ca836c28
1410cb84b0a3
1588c8b0426
hex520189c77

22013320311 has 12 divisors (see below), whose sum is σ = 32656397592. Its totient is φ = 14278910256.

The previous prime is 22013320279. The next prime is 22013320321. The reversal of 22013320311 is 11302331022.

22013320311 is a `hidden beast` number, since 2 + 20 + 1 + 332 + 0 + 311 = 666.

It is not a de Polignac number, because 22013320311 - 25 = 22013320279 is a prime.

It is a super-2 number, since 2×220133203112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013320321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33052701 + ... + 33053366.

It is an arithmetic number, because the mean of its divisors is an integer number (2721366466).

Almost surely, 222013320311 is an apocalyptic number.

22013320311 is a deficient number, since it is larger than the sum of its proper divisors (10643077281).

22013320311 is a wasteful number, since it uses less digits than its factorization.

22013320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66106110 (or 66106107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013320311 its reverse (11302331022), we get a palindrome (33315651333).

The spelling of 22013320311 in words is "twenty-two billion, thirteen million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 3 9 37 111 333 66106067 198318201 594954603 2445924479 7337773437 22013320311