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1375007819 is a prime number
BaseRepresentation
bin101000111110100…
…1111010001001011
310112211022122010112
41101331033101023
510304000222234
6344235104535
746034242103
oct12175172113
93484278115
101375007819
116461797a9
123245a214b
1318bb3acc3
14d0888203
1580aa9ace
hex51f4f44b

1375007819 has 2 divisors, whose sum is σ = 1375007820. Its totient is φ = 1375007818.

The previous prime is 1375007807. The next prime is 1375007867. The reversal of 1375007819 is 9187005731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9187005731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375007819 - 220 = 1373959243 is a prime.

It is a super-2 number, since 2×13750078192 = 3781293004622273522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1375006819) 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, 687503909 + 687503910.

It is an arithmetic number, because the mean of its divisors is an integer number (687503910).

Almost surely, 21375007819 is an apocalyptic number.

1375007819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375007819 is an equidigital number, since it uses as much as digits as its factorization.

1375007819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 1375007819 is about 37081.0978667029. The cubic root of 1375007819 is about 1111.9921530746.

The spelling of 1375007819 in words is "one billion, three hundred seventy-five million, seven thousand, eight hundred nineteen".