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1303013149 is a prime number
BaseRepresentation
bin100110110101010…
…0110011100011101
310100210211221000021
41031222212130131
510132032410044
6333144032141
744201300104
oct11552463435
93323757007
101303013149
11609576079
12304462651
13179c515c9
14c50a703b
15795d7e84
hex4daa671d

1303013149 has 2 divisors, whose sum is σ = 1303013150. Its totient is φ = 1303013148.

The previous prime is 1303013147. The next prime is 1303013189. The reversal of 1303013149 is 9413103031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693268900 + 609744249 = 26330^2 + 24693^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303013149 - 21 = 1303013147 is a prime.

Together with 1303013147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303013147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651506574 + 651506575.

It is an arithmetic number, because the mean of its divisors is an integer number (651506575).

Almost surely, 21303013149 is an apocalyptic number.

It is an amenable number.

1303013149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303013149 is an equidigital number, since it uses as much as digits as its factorization.

1303013149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1303013149 is about 36097.2734288893. The cubic root of 1303013149 is about 1092.2354450907.

The spelling of 1303013149 in words is "one billion, three hundred three million, thirteen thousand, one hundred forty-nine".