Search a number
-
+
45684513397 is a prime number
BaseRepresentation
bin101010100011000000…
…100101101001110101
311100220211110201220201
4222203000211221311
51222030213412042
632553121400501
73205050646105
oct524300455165
9140824421821
1045684513397
11184137980a6
128a2b799131
13440098a563
1422d5535205
1512c5aa21b7
hexaa3025a75

45684513397 has 2 divisors, whose sum is σ = 45684513398. Its totient is φ = 45684513396.

The previous prime is 45684513379. The next prime is 45684513449. The reversal of 45684513397 is 79331548654.

It is a happy number.

Together with previous prime (45684513379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45574137361 + 110376036 = 213481^2 + 10506^2 .

It is a cyclic number.

It is not a de Polignac number, because 45684513397 - 231 = 43537029749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45684513307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22842256698 + 22842256699.

It is an arithmetic number, because the mean of its divisors is an integer number (22842256699).

Almost surely, 245684513397 is an apocalyptic number.

It is an amenable number.

45684513397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45684513397 is an equidigital number, since it uses as much as digits as its factorization.

45684513397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 55.

The spelling of 45684513397 in words is "forty-five billion, six hundred eighty-four million, five hundred thirteen thousand, three hundred ninety-seven".