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13232313112 = 2310972720873
BaseRepresentation
bin11000101001011010…
…10001001100011000
31021011011221011010211
430110231101030120
5204044433004422
610025010220504
7645623543224
oct142455211430
937134834124
1013232313112
115680328767
122693584734
13132b560a95
148d755d784
15526a40577
hex314b51318

13232313112 has 32 divisors (see below), whose sum is σ = 25073848800. Its totient is φ = 6546127104.

The previous prime is 13232313091. The next prime is 13232313113. The reversal of 13232313112 is 21131323231.

It is a super-2 number, since 2×132323131122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232313113) 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, 623508 + ... + 644380.

It is an arithmetic number, because the mean of its divisors is an integer number (783557775).

Almost surely, 213232313112 is an apocalyptic number.

It is an amenable number.

13232313112 is a deficient number, since it is larger than the sum of its proper divisors (11841535688).

13232313112 is a wasteful number, since it uses less digits than its factorization.

13232313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21715 (or 21711 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13232313112 its reverse (21131323231), we get a palindrome (34363636343).

The spelling of 13232313112 in words is "thirteen billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 109 218 436 727 872 1454 2908 5816 20873 41746 79243 83492 158486 166984 316972 633944 2275157 4550314 9100628 15174671 18201256 30349342 60698684 121397368 1654039139 3308078278 6616156556 13232313112