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2151310453 is a prime number
BaseRepresentation
bin1000000000111010…
…0110010001110101
312112221001220010221
42000032212101311
513401213413303
6553250014341
7104211560065
oct20016462165
95487056127
102151310453
11a043a4426
125005773b1
13283914886
14165a053a5
15c8d004bd
hex803a6475

2151310453 has 2 divisors, whose sum is σ = 2151310454. Its totient is φ = 2151310452.

The previous prime is 2151310409. The next prime is 2151310471. The reversal of 2151310453 is 3540131512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1731142449 + 420168004 = 41607^2 + 20498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151310453 - 221 = 2149213301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151310493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075655226 + 1075655227.

It is an arithmetic number, because the mean of its divisors is an integer number (1075655227).

Almost surely, 22151310453 is an apocalyptic number.

It is an amenable number.

2151310453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151310453 is an equidigital number, since it uses as much as digits as its factorization.

2151310453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2151310453 is about 46382.2213029950. The cubic root of 2151310453 is about 1290.9250526936.

Adding to 2151310453 its reverse (3540131512), we get a palindrome (5691441965).

The spelling of 2151310453 in words is "two billion, one hundred fifty-one million, three hundred ten thousand, four hundred fifty-three".