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1813307011 is a prime number
BaseRepresentation
bin110110000010100…
…1101111010000011
311200101001112120221
41230011031322003
512203201311021
6455533243511
762635566235
oct15405157203
94611045527
101813307011
1185062343a
12427333597
1322b89bc39
14132b7c255
15a92d6241
hex6c14de83

1813307011 has 2 divisors, whose sum is σ = 1813307012. Its totient is φ = 1813307010.

The previous prime is 1813306981. The next prime is 1813307071. The reversal of 1813307011 is 1107033181.

It is a weak prime.

It is an emirp because it is prime and its reverse (1107033181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1813307011 - 229 = 1276436099 is a prime.

It is a super-2 number, since 2×18133070112 = 6576164632283508242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1813307071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906653505 + 906653506.

It is an arithmetic number, because the mean of its divisors is an integer number (906653506).

Almost surely, 21813307011 is an apocalyptic number.

1813307011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1813307011 is an equidigital number, since it uses as much as digits as its factorization.

1813307011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1813307011 is about 42582.9427235836. The cubic root of 1813307011 is about 1219.4306693635.

The spelling of 1813307011 in words is "one billion, eight hundred thirteen million, three hundred seven thousand, eleven".