Search a number
-
+
13223031222 = 2317437341299
BaseRepresentation
bin11000101000010011…
…10111000110110110
31021010112110120210010
430110021313012312
5204040043444342
610024035241050
7645451624302
oct142411670666
937115416703
1013223031222
115676069085
122690449186
13132966103b
148d6224d02
15525d0a29c
hex3142771b6

13223031222 has 64 divisors (see below), whose sum is σ = 29046124800. Its totient is φ = 3996324864.

The previous prime is 13223031203. The next prime is 13223031229. The reversal of 13223031222 is 22213032231.

It is a happy number.

13223031222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299529 + ... + 340827.

It is an arithmetic number, because the mean of its divisors is an integer number (453845700).

Almost surely, 213223031222 is an apocalyptic number.

13223031222 is an abundant number, since it is smaller than the sum of its proper divisors (15823093578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223031222 is a wasteful number, since it uses less digits than its factorization.

13223031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41437.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13223031222 its reverse (22213032231), we get a palindrome (35436063453).

The spelling of 13223031222 in words is "thirteen billion, two hundred twenty-three million, thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 43 51 73 86 102 129 146 219 258 438 731 1241 1462 2193 2482 3139 3723 4386 6278 7446 9417 18834 41299 53363 82598 106726 123897 160089 247794 320178 702083 1404166 1775857 2106249 3014827 3551714 4212498 5327571 6029654 9044481 10655142 18088962 30189569 51252059 60379138 90568707 102504118 129637561 153756177 181137414 259275122 307512354 388912683 777825366 2203838537 4407677074 6611515611 13223031222