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30647350243 is a prime number
BaseRepresentation
bin11100100010101110…
…010111001111100011
32221002212101200222001
4130202232113033203
51000231210201433
622025035024431
72133320115226
oct344256271743
987085350861
1030647350243
1111aa76a2934
125b3389b117
132b7552bc93
1416aa3d95bd
15be589b57d
hex722b973e3

30647350243 has 2 divisors, whose sum is σ = 30647350244. Its totient is φ = 30647350242.

The previous prime is 30647350229. The next prime is 30647350267. The reversal of 30647350243 is 34205374603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30647350243 - 213 = 30647342051 is a prime.

It is a super-2 number, since 2×306473502432 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30647350843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15323675121 + 15323675122.

It is an arithmetic number, because the mean of its divisors is an integer number (15323675122).

Almost surely, 230647350243 is an apocalyptic number.

30647350243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30647350243 is an equidigital number, since it uses as much as digits as its factorization.

30647350243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 30647350243 in words is "thirty billion, six hundred forty-seven million, three hundred fifty thousand, two hundred forty-three".