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13022222012212 = 2273724775074571
BaseRepresentation
bin1011110101111111100011…
…1010101100111100110100
31201002220122001010201020211
42331133320322230330310
53201324002313342322
643410154243235204
72512552541524120
oct275377072547464
951086561121224
1013022222012212
114170769923446
121563963978b04
13735cb480097a
143303c9478580
15178b1051bb77
hexbd7f8eacf34

13022222012212 has 48 divisors (see below), whose sum is σ = 26759151877248. Its totient is φ = 5427922458240.

The previous prime is 13022222012167. The next prime is 13022222012243. The reversal of 13022222012212 is 21221022222031.

It is a happy number.

It is a super-2 number, since 2×130222220122122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28887 + ... + 5103457.

It is an arithmetic number, because the mean of its divisors is an integer number (557482330776).

Almost surely, 213022222012212 is an apocalyptic number.

It is an amenable number.

13022222012212 is an abundant number, since it is smaller than the sum of its proper divisors (13736929865036).

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

13022222012212 is a wasteful number, since it uses less digits than its factorization.

13022222012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077096 (or 5077094 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13022222012212 its reverse (21221022222031), we get a palindrome (34243244234243).

The spelling of 13022222012212 in words is "thirteen trillion, twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 2477 4954 9908 17339 34678 69356 91649 183298 366596 641543 1283086 2566172 5074571 10149142 20298284 35521997 71043994 142087988 187759127 375518254 751036508 1314313889 2628627778 5257255556 12569712367 25139424734 50278849468 87987986569 175975973138 351951946276 465079357579 930158715158 1860317430316 3255555503053 6511111006106 13022222012212