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12321000133 = 13472795431
BaseRepresentation
bin10110111100110001…
…11000101011000101
31011210200010122202021
423132120320223011
5200213134001013
65354333443141
7614216526121
oct133630705305
934720118667
1012321000133
115252979842
12247a3404b1
131214806030
1484c4da581
154c1a2ba8d
hex2de638ac5

12321000133 has 24 divisors (see below), whose sum is σ = 13731226880. Its totient is φ = 10988321760.

The previous prime is 12321000103. The next prime is 12321000161. The reversal of 12321000133 is 33100012321.

It is not a de Polignac number, because 12321000133 - 213 = 12320991941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321000103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2265928 + ... + 2271358.

Almost surely, 212321000133 is an apocalyptic number.

12321000133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12321000133 is a deficient number, since it is larger than the sum of its proper divisors (1410226747).

12321000133 is an equidigital number, since it uses as much as digits as its factorization.

12321000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12321000133 its reverse (33100012321), we get a palindrome (45421012454).

The spelling of 12321000133 in words is "twelve billion, three hundred twenty-one million, one hundred thirty-three", and thus it is an aban number.

Divisors: 1 13 47 79 611 1027 2209 3713 5431 28717 48269 70603 174511 255257 429049 2268643 3318341 5577637 11997079 20165303 155962027 262148939 947769241 12321000133