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13421445347 is a prime number
BaseRepresentation
bin11000111111111101…
…10000000011100011
31021122100211001210102
430133332300003203
5204441342222342
610055444053015
7653411255162
oct143776600343
937570731712
1013421445347
1157680685a2
12272699416b
13135b7b154b
149147133d9
1553844e832
hex31ffb00e3

13421445347 has 2 divisors, whose sum is σ = 13421445348. Its totient is φ = 13421445346.

The previous prime is 13421445337. The next prime is 13421445361. The reversal of 13421445347 is 74354412431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13421445347 - 28 = 13421445091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13421445347.

It is not a weakly prime, because it can be changed into another prime (13421445337) 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 as a sum of consecutive naturals, namely, 6710722673 + 6710722674.

It is an arithmetic number, because the mean of its divisors is an integer number (6710722674).

Almost surely, 213421445347 is an apocalyptic number.

13421445347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421445347 is an equidigital number, since it uses as much as digits as its factorization.

13421445347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

Adding to 13421445347 its reverse (74354412431), we get a palindrome (87775857778).

The spelling of 13421445347 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-five thousand, three hundred forty-seven".