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13238845847 is a prime number
BaseRepresentation
bin11000101010001100…
…01100000110010111
31021011122020001100222
430111012030012113
5204103121031342
610025402224555
7646033222133
oct142506140627
937148201328
1013238845847
115683a8a917
1226957b515b
13132ca0a3c6
148d83803c3
155273d0ed2
hex31518c197

13238845847 has 2 divisors, whose sum is σ = 13238845848. Its totient is φ = 13238845846.

The previous prime is 13238845733. The next prime is 13238845901. The reversal of 13238845847 is 74854883231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13238845847 - 218 = 13238583703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13238845247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619422923 + 6619422924.

It is an arithmetic number, because the mean of its divisors is an integer number (6619422924).

Almost surely, 213238845847 is an apocalyptic number.

13238845847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238845847 is an equidigital number, since it uses as much as digits as its factorization.

13238845847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 53.

The spelling of 13238845847 in words is "thirteen billion, two hundred thirty-eight million, eight hundred forty-five thousand, eight hundred forty-seven".