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13232123212 = 22711191224929
BaseRepresentation
bin11000101001011001…
…00010110101001100
31021011011120111122111
430110230202311030
5204044410420322
610025002153404
7645622122460
oct142454426514
937134514574
1013232123212
115680209020
1226934b2864
13132b4c5509
148d75104a0
15526a04177
hex314b22d4c

13232123212 has 48 divisors (see below), whose sum is σ = 29021368320. Its totient is φ = 5128358400.

The previous prime is 13232123207. The next prime is 13232123227. The reversal of 13232123212 is 21232123231.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 53637 + ... + 171292.

It is an arithmetic number, because the mean of its divisors is an integer number (604611840).

Almost surely, 213232123212 is an apocalyptic number.

It is an amenable number.

13232123212 is an abundant number, since it is smaller than the sum of its proper divisors (15789245108).

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

13232123212 is a wasteful number, since it uses less digits than its factorization.

13232123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225142 (or 225140 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 13232123212 its reverse (21232123231), we get a palindrome (34464246443).

The spelling of 13232123212 in words is "thirteen billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 191 308 382 764 1337 2101 2674 4202 5348 8404 14707 29414 58828 224929 449858 899716 1574503 2474219 3149006 4948438 6298012 9896876 17319533 34639066 42961439 69278132 85922878 171845756 300730073 472575829 601460146 945151658 1202920292 1890303316 3308030803 6616061606 13232123212