Search a number
-
+
2130099457 is a prime number
BaseRepresentation
bin111111011110110…
…1011110100000001
312111110011021010111
41332331223310001
513330301140312
6551211231321
7103533355333
oct17675536401
95443137114
102130099457
119a3427282
124b5448541
1327c3c91a5
14162c83453
15c70108a7
hex7ef6bd01

2130099457 has 2 divisors, whose sum is σ = 2130099458. Its totient is φ = 2130099456.

The previous prime is 2130099407. The next prime is 2130099487. The reversal of 2130099457 is 7549900312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1603121521 + 526977936 = 40039^2 + 22956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2130099457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130099407) 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, 1065049728 + 1065049729.

It is an arithmetic number, because the mean of its divisors is an integer number (1065049729).

Almost surely, 22130099457 is an apocalyptic number.

It is an amenable number.

2130099457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130099457 is an equidigital number, since it uses as much as digits as its factorization.

2130099457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2130099457 is about 46153.0005200095. Note that the first 3 decimals coincide. The cubic root of 2130099457 is about 1286.6683769191.

Adding to 2130099457 its reverse (7549900312), we get a palindrome (9679999769).

The spelling of 2130099457 in words is "two billion, one hundred thirty million, ninety-nine thousand, four hundred fifty-seven".