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13422131312 = 2417475910369
BaseRepresentation
bin11001000000000010…
…10111100001110000
31021122102002220202112
430200001113201300
5204442031200222
610055510504452
7653420143112
oct144001274160
937572086675
1013422131312
115768496a07
122727065128
13135b991845
149148513b2
15538537be2
hex320057870

13422131312 has 40 divisors (see below), whose sum is σ = 27543549600. Its totient is φ = 6314360832.

The previous prime is 13422131293. The next prime is 13422131339. The reversal of 13422131312 is 21313122431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289264 + ... + 1299632.

It is an arithmetic number, because the mean of its divisors is an integer number (688588740).

Almost surely, 213422131312 is an apocalyptic number.

It is an amenable number.

13422131312 is an abundant number, since it is smaller than the sum of its proper divisors (14121418288).

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

13422131312 is a wasteful number, since it uses less digits than its factorization.

13422131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153 (or 15147 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 13422131312 its reverse (21313122431), we get a palindrome (34735253743).

The spelling of 13422131312 in words is "thirteen billion, four hundred twenty-two million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 4759 9518 10369 19036 20738 38072 41476 76144 80903 82952 161806 165904 176273 323612 352546 647224 705092 1294448 1410184 2820368 49346071 98692142 197384284 394768568 789537136 838883207 1677766414 3355532828 6711065656 13422131312