Search a number
-
+
23021442213 = 3711220894337
BaseRepresentation
bin10101011100001011…
…110101010010100101
32012102101220102202220
4111130023311102211
5334121442122323
614324221222553
71443331013220
oct253413652245
965371812686
1023021442213
119844005300
124565a01a59
13222b658b73
1411856b05b7
158eb1480e3
hex55c2f54a5

23021442213 has 48 divisors (see below), whose sum is σ = 38586683520. Its totient is φ = 11950709760.

The previous prime is 23021442181. The next prime is 23021442229. The reversal of 23021442213 is 31224412032.

It is a happy number.

It is not a de Polignac number, because 23021442213 - 25 = 23021442181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021442713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5305981 + ... + 5310317.

It is an arithmetic number, because the mean of its divisors is an integer number (803889240).

Almost surely, 223021442213 is an apocalyptic number.

It is an amenable number.

23021442213 is a deficient number, since it is larger than the sum of its proper divisors (15565241307).

23021442213 is a wasteful number, since it uses less digits than its factorization.

23021442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23021442213 its reverse (31224412032), we get a palindrome (54245854245).

The spelling of 23021442213 in words is "twenty-three billion, twenty-one million, four hundred forty-two thousand, two hundred thirteen".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2089 2541 4337 6267 13011 14623 22979 30359 43869 47707 68937 91077 143121 160853 252769 333949 482559 524777 758307 1001847 1574331 1769383 3673439 5308149 9059993 11020317 27179979 63419951 99659923 190259853 298979769 697619461 1096259153 2092858383 3288777459 7673814071 23021442213