Base | Representation |
---|---|
bin | 10110000010010101… |
… | …10110000010101111 |
3 | 1010112111200220020222 |
4 | 23001022312002233 |
5 | 143212134430304 |
6 | 5233542401555 |
7 | 566114654126 |
oct | 130112660257 |
9 | 33474626228 |
10 | 11830780079 |
11 | 50211921a8 |
12 | 23621302bb |
13 | 11670965b1 |
14 | 80336cabd |
15 | 4939964be |
hex | 2c12b60af |
11830780079 has 2 divisors, whose sum is σ = 11830780080. Its totient is φ = 11830780078.
The previous prime is 11830780033. The next prime is 11830780127. The reversal of 11830780079 is 97008703811.
It is a weak prime.
It is an emirp because it is prime and its reverse (97008703811) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11830780079 - 28 = 11830779823 is a prime.
It is a super-4 number, since 4×118307800794 (a number of 41 digits) contains 4444 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11830780009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915390039 + 5915390040.
It is an arithmetic number, because the mean of its divisors is an integer number (5915390040).
Almost surely, 211830780079 is an apocalyptic number.
11830780079 is a deficient number, since it is larger than the sum of its proper divisors (1).
11830780079 is an equidigital number, since it uses as much as digits as its factorization.
11830780079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 44.
The spelling of 11830780079 in words is "eleven billion, eight hundred thirty million, seven hundred eighty thousand, seventy-nine".
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