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13222212208 = 242947606301
BaseRepresentation
bin11000101000001101…
…01111001001110000
31021010110220222022021
430110012233021300
5204034341242313
610024005521224
7645441643432
oct142406571160
937113828267
1013222212208
115675659807
122690113214
13132943530a
148d6090652
15525be778d
hex3141af270

13222212208 has 40 divisors (see below), whose sum is σ = 27065321280. Its totient is φ = 6247315200.

The previous prime is 13222212181. The next prime is 13222212209. The reversal of 13222212208 is 80221222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222212209) 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, 281343 + ... + 324958.

It is an arithmetic number, because the mean of its divisors is an integer number (676633032).

Almost surely, 213222212208 is an apocalyptic number.

It is an amenable number.

13222212208 is an abundant number, since it is smaller than the sum of its proper divisors (13843109072).

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

13222212208 is a wasteful number, since it uses less digits than its factorization.

13222212208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606385 (or 606379 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 13222212208 its reverse (80221222231), we get a palindrome (93443434439).

The spelling of 13222212208 in words is "thirteen billion, two hundred twenty-two million, two hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 8 16 29 47 58 94 116 188 232 376 464 752 1363 2726 5452 10904 21808 606301 1212602 2425204 4850408 9700816 17582729 28496147 35165458 56992294 70330916 113984588 140661832 227969176 281323664 455938352 826388263 1652776526 3305553052 6611106104 13222212208