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13421331211 = 109241510919
BaseRepresentation
bin11000111111111100…
…10100001100001011
31021122100121021020011
430133332110030023
5204441330044321
610055441412351
7653410301341
oct143776241413
937570537204
1013421331211
115767a9a872
12272693a0b7
13135b771602
149146c3991
1553842aae1
hex31ff9430b

13421331211 has 8 divisors (see below), whose sum is σ = 13600690400. Its totient is φ = 13242994560.

The previous prime is 13421331193. The next prime is 13421331221. The reversal of 13421331211 is 11213312431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13421331211 - 25 = 13421331179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13421331221) 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 7 ways as a sum of consecutive naturals, for example, 229191 + ... + 281728.

It is an arithmetic number, because the mean of its divisors is an integer number (1700086300).

Almost surely, 213421331211 is an apocalyptic number.

13421331211 is a deficient number, since it is larger than the sum of its proper divisors (179359189).

13421331211 is a wasteful number, since it uses less digits than its factorization.

13421331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511269.

The product of its digits is 432, while the sum is 22.

Adding to 13421331211 its reverse (11213312431), we get a palindrome (24634643642).

The spelling of 13421331211 in words is "thirteen billion, four hundred twenty-one million, three hundred thirty-one thousand, two hundred eleven".

Divisors: 1 109 241 26269 510919 55690171 123131479 13421331211