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14182858181 is a prime number
BaseRepresentation
bin11010011010101110…
…10011110111000101
31100121102112211211202
431031113103313011
5213021302430211
610303203512245
71011315206522
oct151527236705
940542484752
1014182858181
1160189432a8
1228b9988685
13145047399b
149878b6149
1558020353b
hex34d5d3dc5

14182858181 has 2 divisors, whose sum is σ = 14182858182. Its totient is φ = 14182858180.

The previous prime is 14182858177. The next prime is 14182858187. The reversal of 14182858181 is 18185828141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13980934081 + 201924100 = 118241^2 + 14210^2 .

It is a cyclic number.

It is not a de Polignac number, because 14182858181 - 22 = 14182858177 is a prime.

It is a super-2 number, since 2×141828581812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14182858187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7091429090 + 7091429091.

It is an arithmetic number, because the mean of its divisors is an integer number (7091429091).

Almost surely, 214182858181 is an apocalyptic number.

It is an amenable number.

14182858181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14182858181 is an equidigital number, since it uses as much as digits as its factorization.

14182858181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163840, while the sum is 47.

The spelling of 14182858181 in words is "fourteen billion, one hundred eighty-two million, eight hundred fifty-eight thousand, one hundred eighty-one".