Search a number
-
+
26175346081 is a prime number
BaseRepresentation
bin11000011000001011…
…000001010110100001
32111120012112100112021
4120120023001112201
5412101342033311
620005204301441
71614435525223
oct303013012641
974505470467
1026175346081
1110112333a25
1250a60a1881
132611ba8181
1413a44da413
15a32e8d171
hex6182c15a1

26175346081 has 2 divisors, whose sum is σ = 26175346082. Its totient is φ = 26175346080.

The previous prime is 26175346073. The next prime is 26175346091. The reversal of 26175346081 is 18064357162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24401251681 + 1774094400 = 156209^2 + 42120^2 .

It is a cyclic number.

It is not a de Polignac number, because 26175346081 - 23 = 26175346073 is a prime.

It is a super-2 number, since 2×261753460812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26175346061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13087673040 + 13087673041.

It is an arithmetic number, because the mean of its divisors is an integer number (13087673041).

Almost surely, 226175346081 is an apocalyptic number.

It is an amenable number.

26175346081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26175346081 is an equidigital number, since it uses as much as digits as its factorization.

26175346081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 26175346081 in words is "twenty-six billion, one hundred seventy-five million, three hundred forty-six thousand, eighty-one".