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1115029493 is a prime number
BaseRepresentation
bin100001001110101…
…1111111111110101
32212201010100220122
41002131133333311
54240421420433
6302350541325
736426410564
oct10235377765
92781110818
101115029493
11522450186
12271507845
1314a013886
14a8131bdb
1567d54198
hex4275fff5

1115029493 has 2 divisors, whose sum is σ = 1115029494. Its totient is φ = 1115029492.

The previous prime is 1115029471. The next prime is 1115029499. The reversal of 1115029493 is 3949205111.

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., 739948804 + 375080689 = 27202^2 + 19367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115029493 - 228 = 846594037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115029499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557514746 + 557514747.

It is an arithmetic number, because the mean of its divisors is an integer number (557514747).

Almost surely, 21115029493 is an apocalyptic number.

It is an amenable number.

1115029493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115029493 is an equidigital number, since it uses as much as digits as its factorization.

1115029493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1115029493 is about 33392.0573340428. The cubic root of 1115029493 is about 1036.9602725793.

The spelling of 1115029493 in words is "one billion, one hundred fifteen million, twenty-nine thousand, four hundred ninety-three".