Base | Representation |
---|---|
bin | 10110000010010101… |
… | …10100101110001101 |
3 | 1010112111200121211121 |
4 | 23001022310232031 |
5 | 143212134242134 |
6 | 5233542320541 |
7 | 566114632300 |
oct | 130112645615 |
9 | 33474617747 |
10 | 11830774669 |
11 | 502118912a |
12 | 2362129151 |
13 | 1167093cac |
14 | 80336ab37 |
15 | 493994ab4 |
hex | 2c12b4b8d |
11830774669 has 18 divisors (see below), whose sum is σ = 14524807374. Its totient is φ = 9606930480.
The previous prime is 11830774643. The next prime is 11830774723. The reversal of 11830774669 is 96647703811.
It can be written as a sum of positive squares in only one way, i.e., 8421732900 + 3409041769 = 91770^2 + 58387^2 .
It is not a de Polignac number, because 11830774669 - 27 = 11830774541 is a prime.
It is a super-2 number, since 2×118307746692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11830774619) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 316722 + ... + 352099.
It is an arithmetic number, because the mean of its divisors is an integer number (806933743).
Almost surely, 211830774669 is an apocalyptic number.
11830774669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
11830774669 is a deficient number, since it is larger than the sum of its proper divisors (2694032705).
11830774669 is an equidigital number, since it uses as much as digits as its factorization.
11830774669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 668873 (or 668847 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 52.
The spelling of 11830774669 in words is "eleven billion, eight hundred thirty million, seven hundred seventy-four thousand, six hundred sixty-nine".
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