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133013221247 is a prime number
BaseRepresentation
bin111101111100000110…
…1001010111101111111
3110201022220211202002202
41323320031022331333
54134402341034442
6141034434542115
712416122503644
oct1737015127577
9421286752082
10133013221247
115145754a925
1221941a3793b
13c70a237b9a
14661b753dcb
1536d7669c32
hex1ef834af7f

133013221247 has 2 divisors, whose sum is σ = 133013221248. Its totient is φ = 133013221246.

The previous prime is 133013221199. The next prime is 133013221279. The reversal of 133013221247 is 742122310331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133013221247 - 26 = 133013221183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133013221147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506610623 + 66506610624.

It is an arithmetic number, because the mean of its divisors is an integer number (66506610624).

Almost surely, 2133013221247 is an apocalyptic number.

133013221247 is a deficient number, since it is larger than the sum of its proper divisors (1).

133013221247 is an equidigital number, since it uses as much as digits as its factorization.

133013221247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 133013221247 its reverse (742122310331), we get a palindrome (875135531578).

The spelling of 133013221247 in words is "one hundred thirty-three billion, thirteen million, two hundred twenty-one thousand, two hundred forty-seven".