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30678700067 is a prime number
BaseRepresentation
bin11100100100100101…
…111101000000100011
32221012001101102211122
4130210211331000203
51000312221400232
622032115002455
72134150435151
oct344445750043
987161342748
1030678700067
1112013365484
125b4229942b
132b7bb87482
1416b063a3d1
15be84e0312
hex72497d023

30678700067 has 2 divisors, whose sum is σ = 30678700068. Its totient is φ = 30678700066.

The previous prime is 30678700027. The next prime is 30678700069. The reversal of 30678700067 is 76000787603.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30678700067 is a prime.

Together with 30678700069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30678700069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15339350033 + 15339350034.

It is an arithmetic number, because the mean of its divisors is an integer number (15339350034).

Almost surely, 230678700067 is an apocalyptic number.

30678700067 is a deficient number, since it is larger than the sum of its proper divisors (1).

30678700067 is an equidigital number, since it uses as much as digits as its factorization.

30678700067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 30678700067 in words is "thirty billion, six hundred seventy-eight million, seven hundred thousand, sixty-seven".