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1117968619 is a prime number
BaseRepresentation
bin100001010100010…
…1101100011101011
32212220122200122011
41002220231203223
54242144443434
6302533540351
736463401505
oct10250554353
92786580564
101117968619
11524078409
122724a46b7
1314a8025c1
14a8698d75
1568234e64
hex42a2d8eb

1117968619 has 2 divisors, whose sum is σ = 1117968620. Its totient is φ = 1117968618.

The previous prime is 1117968601. The next prime is 1117968661. The reversal of 1117968619 is 9168697111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117968619 - 25 = 1117968587 is a prime.

It is a super-2 number, since 2×11179686192 = 2499707666137534322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1117978619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558984309 + 558984310.

It is an arithmetic number, because the mean of its divisors is an integer number (558984310).

Almost surely, 21117968619 is an apocalyptic number.

1117968619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117968619 is an equidigital number, since it uses as much as digits as its factorization.

1117968619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 49.

The square root of 1117968619 is about 33436.0377287740. The cubic root of 1117968619 is about 1037.8705871952.

The spelling of 1117968619 in words is "one billion, one hundred seventeen million, nine hundred sixty-eight thousand, six hundred nineteen".