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13020023222 = 229415475199
BaseRepresentation
bin11000010000000110…
…11100100110110110
31020121101110201011022
430020003130212312
5203131111220342
65551544141142
7640435241243
oct141003344666
936541421138
1013020023222
115581511178
1226344677b2
1312c659286b
148b729c5ca
155130a99d2
hex3080dc9b6

13020023222 has 16 divisors (see below), whose sum is σ = 20696256000. Its totient is φ = 6132221760.

The previous prime is 13020023161. The next prime is 13020023227. The reversal of 13020023222 is 22232002031.

It is a super-2 number, since 2×130200232222 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13020023222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020023227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735222 + ... + 2739977.

It is an arithmetic number, because the mean of its divisors is an integer number (1293516000).

Almost surely, 213020023222 is an apocalyptic number.

13020023222 is a deficient number, since it is larger than the sum of its proper divisors (7676232778).

13020023222 is a wasteful number, since it uses less digits than its factorization.

13020023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475271.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 13020023222 its reverse (22232002031), we get a palindrome (35252025253).

The spelling of 13020023222 in words is "thirteen billion, twenty million, twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 29 41 58 82 1189 2378 5475199 10950398 158780771 224483159 317561542 448966318 6510011611 13020023222