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1380191333 is a prime number
BaseRepresentation
bin101001001000100…
…0000110001100101
310120012001222120112
41102101000301211
510311312110313
6344542142405
746126301303
oct12221006145
93505058515
101380191333
1164909a1a4
12326281a05
1318cc34481
14d1437273
15812808a8
hex52440c65

1380191333 has 2 divisors, whose sum is σ = 1380191334. Its totient is φ = 1380191332.

The previous prime is 1380191327. The next prime is 1380191389. The reversal of 1380191333 is 3331910831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257269764 + 122921569 = 35458^2 + 11087^2 .

It is an emirp because it is prime and its reverse (3331910831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380191333 - 210 = 1380190309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1380191333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380191303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690095666 + 690095667.

It is an arithmetic number, because the mean of its divisors is an integer number (690095667).

Almost surely, 21380191333 is an apocalyptic number.

It is an amenable number.

1380191333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380191333 is an equidigital number, since it uses as much as digits as its factorization.

1380191333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1380191333 is about 37150.9264083683. The cubic root of 1380191333 is about 1113.3877327593.

The spelling of 1380191333 in words is "one billion, three hundred eighty million, one hundred ninety-one thousand, three hundred thirty-three".