[go: up one dir, main page]

Search a number
-
+
2103102349 is a prime number
BaseRepresentation
bin111110101011010…
…1100101110001101
312102120100200001121
41331112230232031
513301343233344
6544404440541
7103055034505
oct17526545615
95376320047
102103102349
1198a167a17
124a83a9151
13276935c7a
1415d456a05
15c497b684
hex7d5acb8d

2103102349 has 2 divisors, whose sum is σ = 2103102350. Its totient is φ = 2103102348.

The previous prime is 2103102263. The next prime is 2103102409. The reversal of 2103102349 is 9432013012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1572122500 + 530979849 = 39650^2 + 23043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103102349 - 219 = 2102578061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103103349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051551174 + 1051551175.

It is an arithmetic number, because the mean of its divisors is an integer number (1051551175).

Almost surely, 22103102349 is an apocalyptic number.

It is an amenable number.

2103102349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103102349 is an equidigital number, since it uses as much as digits as its factorization.

2103102349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2103102349 is about 45859.5938599548. The cubic root of 2103102349 is about 1281.2094584388.

The spelling of 2103102349 in words is "two billion, one hundred three million, one hundred two thousand, three hundred forty-nine".