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13213202333 = 16381062591
BaseRepresentation
bin11000100111001000…
…10111011110011101
31021002211222020002012
430103210113132131
5204030034433313
610023044441005
7645302236532
oct142344273635
937084866065
1013213202333
115670565531
1226890a9165
1313275cc326
148d4bc6d89
15525017da8
hex31391779d

13213202333 has 4 divisors (see below), whose sum is σ = 13294265088. Its totient is φ = 13132139580.

The previous prime is 13213202297. The next prime is 13213202341. The reversal of 13213202333 is 33320231231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13213202333 - 26 = 13213202269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213202299 and 13213202308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213202833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40531133 + ... + 40531458.

It is an arithmetic number, because the mean of its divisors is an integer number (3323566272).

Almost surely, 213213202333 is an apocalyptic number.

It is an amenable number.

13213202333 is a deficient number, since it is larger than the sum of its proper divisors (81062755).

13213202333 is an equidigital number, since it uses as much as digits as its factorization.

13213202333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81062754.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13213202333 its reverse (33320231231), we get a palindrome (46533433564).

The spelling of 13213202333 in words is "thirteen billion, two hundred thirteen million, two hundred two thousand, three hundred thirty-three".

Divisors: 1 163 81062591 13213202333