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14061927881 is a prime number
BaseRepresentation
bin11010001100010011…
…11111110111001001
31100021222222221122202
431012021333313021
5212244323143011
610243203525545
71005316262201
oct150611776711
940258887582
1014061927881
115a66656601
1228853898b5
1314313b24b1
149757d7401
155747b723b
hex34627fdc9

14061927881 has 2 divisors, whose sum is σ = 14061927882. Its totient is φ = 14061927880.

The previous prime is 14061927863. The next prime is 14061927941. The reversal of 14061927881 is 18872916041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9281588281 + 4780339600 = 96341^2 + 69140^2 .

It is a cyclic number.

It is not a de Polignac number, because 14061927881 - 222 = 14057733577 is a prime.

It is a super-2 number, since 2×140619278812 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14061927851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7030963940 + 7030963941.

It is an arithmetic number, because the mean of its divisors is an integer number (7030963941).

Almost surely, 214061927881 is an apocalyptic number.

It is an amenable number.

14061927881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14061927881 is an equidigital number, since it uses as much as digits as its factorization.

14061927881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 14061927881 in words is "fourteen billion, sixty-one million, nine hundred twenty-seven thousand, eight hundred eighty-one".