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1300042441 is a prime number
BaseRepresentation
bin100110101111101…
…0001001011001001
310100121020222222001
41031133101023021
510130302324231
6333000231001
744134115125
oct11537211311
93317228861
101300042441
11607927145
1230346b461
131794513a9
14c4932585
15791ecb61
hex4d7d12c9

1300042441 has 2 divisors, whose sum is σ = 1300042442. Its totient is φ = 1300042440.

The previous prime is 1300042439. The next prime is 1300042451. The reversal of 1300042441 is 1442400031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686440000 + 613602441 = 26200^2 + 24771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300042441 - 21 = 1300042439 is a prime.

It is a super-2 number, since 2×13000424412 = 3380220696802476962, which contains 22 as substring.

Together with 1300042439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1300042451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650021220 + 650021221.

It is an arithmetic number, because the mean of its divisors is an integer number (650021221).

Almost surely, 21300042441 is an apocalyptic number.

It is an amenable number.

1300042441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300042441 is an equidigital number, since it uses as much as digits as its factorization.

1300042441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1300042441 is about 36056.1013006121. The cubic root of 1300042441 is about 1091.4047598050.

Adding to 1300042441 its reverse (1442400031), we get a palindrome (2742442472).

The spelling of 1300042441 in words is "one billion, three hundred million, forty-two thousand, four hundred forty-one".