Search a number
-
+
12107838165811 is a prime number
BaseRepresentation
bin1011000000110001001101…
…1001001001001100110011
31120212111110001121112011121
42300030103121021030303
53041333323032301221
641430133012123111
72356522342212253
oct260142331111463
946774401545147
1012107838165811
1139489a5aa2993
1214366b6606497
1369a9c205bb5b
142dc045a1b963
1515ee45339a41
hexb0313649333

12107838165811 has 2 divisors, whose sum is σ = 12107838165812. Its totient is φ = 12107838165810.

The previous prime is 12107838165767. The next prime is 12107838165827. The reversal of 12107838165811 is 11856183870121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12107838165811 - 217 = 12107838034739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12107838165881) 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, 6053919082905 + 6053919082906.

It is an arithmetic number, because the mean of its divisors is an integer number (6053919082906).

Almost surely, 212107838165811 is an apocalyptic number.

12107838165811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12107838165811 is an equidigital number, since it uses as much as digits as its factorization.

12107838165811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 52.

The spelling of 12107838165811 in words is "twelve trillion, one hundred seven billion, eight hundred thirty-eight million, one hundred sixty-five thousand, eight hundred eleven".