Search a number
-
+
12045256229 is a prime number
BaseRepresentation
bin10110011011111010…
…00000011000100101
31011002110021102020002
423031331000120211
5144132041144404
65311123351045
7604330663046
oct131575003045
934073242202
1012045256229
115121262316
122401b22485
13119c64b966
14823a3c8cd
154a770ec1e
hex2cdf40625

12045256229 has 2 divisors, whose sum is σ = 12045256230. Its totient is φ = 12045256228.

The previous prime is 12045256187. The next prime is 12045256253. The reversal of 12045256229 is 92265254021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10531890625 + 1513365604 = 102625^2 + 38902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12045256229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12045256192 and 12045256201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045256829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022628114 + 6022628115.

It is an arithmetic number, because the mean of its divisors is an integer number (6022628115).

Almost surely, 212045256229 is an apocalyptic number.

It is an amenable number.

12045256229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045256229 is an equidigital number, since it uses as much as digits as its factorization.

12045256229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 12045256229 in words is "twelve billion, forty-five million, two hundred fifty-six thousand, two hundred twenty-nine".