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13200000321 = 319595936619
BaseRepresentation
bin11000100101100100…
…00000010101000001
31021001221010111022210
430102302000111001
5204013200002241
610021453452333
7645052102644
oct142262002501
937057114283
1013200000321
115664068682
1226847a10a9
1313249591a1
148d314ba5b
15523cab316
hex312c80541

13200000321 has 32 divisors (see below), whose sum is σ = 18874944000. Its totient is φ = 8180483328.

The previous prime is 13200000313. The next prime is 13200000347. The reversal of 13200000321 is 12300000231.

It is a happy number.

It is not a de Polignac number, because 13200000321 - 23 = 13200000313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13200000297 and 13200000306.

It is not an unprimeable number, because it can be changed into a prime (13200000361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1990950 + ... + 1997568.

It is an arithmetic number, because the mean of its divisors is an integer number (589842000).

Almost surely, 213200000321 is an apocalyptic number.

It is an amenable number.

13200000321 is a deficient number, since it is larger than the sum of its proper divisors (5674943679).

13200000321 is a wasteful number, since it uses less digits than its factorization.

13200000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13200000321 its reverse (12300000231), we get a palindrome (25500000552).

The spelling of 13200000321 in words is "thirteen billion, two hundred million, three hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 19 57 59 177 593 1121 1779 3363 6619 11267 19857 33801 34987 104961 125761 377283 390521 664753 1171563 1994259 3925067 7419899 11775201 22259697 74576273 223728819 231578953 694736859 4400000107 13200000321