Search a number
-
+
27100654187 is a prime number
BaseRepresentation
bin11001001111010100…
…110010101001101011
32120221200122212121212
4121033110302221223
5421000231413222
620241101023335
71646402521415
oct311724625153
976850585555
1027100654187
1110547681672
125303b54b4b
13272b7c3069
1414513639b5
15a893186e2
hex64f532a6b

27100654187 has 2 divisors, whose sum is σ = 27100654188. Its totient is φ = 27100654186.

The previous prime is 27100654157. The next prime is 27100654219. The reversal of 27100654187 is 78145600172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27100654187 - 214 = 27100637803 is a prime.

It is not a weakly prime, because it can be changed into another prime (27100654157) 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, 13550327093 + 13550327094.

It is an arithmetic number, because the mean of its divisors is an integer number (13550327094).

Almost surely, 227100654187 is an apocalyptic number.

27100654187 is a deficient number, since it is larger than the sum of its proper divisors (1).

27100654187 is an equidigital number, since it uses as much as digits as its factorization.

27100654187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 27100654187 in words is "twenty-seven billion, one hundred million, six hundred fifty-four thousand, one hundred eighty-seven".