Search a number
-
+
34068047081 is a prime number
BaseRepresentation
bin11111101110100111…
…010010010011101001
310020221021001002212112
4133232213102103221
51024232410001311
623352312252105
72314144423265
oct375647222351
9106837032775
1034068047081
11134a2585012
1267293a1035
13329c120453
1419128330a5
15d45d4128b
hex7ee9d24e9

34068047081 has 2 divisors, whose sum is σ = 34068047082. Its totient is φ = 34068047080.

The previous prime is 34068047023. The next prime is 34068047171. The reversal of 34068047081 is 18074086043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18712872025 + 15355175056 = 136795^2 + 123916^2 .

It is a cyclic number.

It is not a de Polignac number, because 34068047081 - 210 = 34068046057 is a prime.

It is a super-2 number, since 2×340680470812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34068047681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17034023540 + 17034023541.

It is an arithmetic number, because the mean of its divisors is an integer number (17034023541).

Almost surely, 234068047081 is an apocalyptic number.

It is an amenable number.

34068047081 is a deficient number, since it is larger than the sum of its proper divisors (1).

34068047081 is an equidigital number, since it uses as much as digits as its factorization.

34068047081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 34068047081 in words is "thirty-four billion, sixty-eight million, forty-seven thousand, eighty-one".