Base | Representation |
---|---|
bin | 100100101010011… |
… | …1000111111111111 |
3 | 10011201212022010212 |
4 | 1021110320333333 |
5 | 10004413304434 |
6 | 322023423035 |
7 | 42325432112 |
oct | 11124707777 |
9 | 3151768125 |
10 | 1230213119 |
11 | 581472363 |
12 | 2a3bb4a7b |
13 | 167b42475 |
14 | b9556579 |
15 | 730078ce |
hex | 49538fff |
1230213119 has 8 divisors (see below), whose sum is σ = 1235403360. Its totient is φ = 1225033216.
The previous prime is 1230213079. The next prime is 1230213137. The reversal of 1230213119 is 9113120321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1230213119 - 224 = 1213435903 is a prime.
It is a super-2 number, since 2×12302131192 = 3026848636319416322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1230213094 and 1230213103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230213319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311147 + ... + 315075.
It is an arithmetic number, because the mean of its divisors is an integer number (154425420).
Almost surely, 21230213119 is an apocalyptic number.
1230213119 is a deficient number, since it is larger than the sum of its proper divisors (5190241).
1230213119 is an equidigital number, since it uses as much as digits as its factorization.
1230213119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5169.
The product of its (nonzero) digits is 324, while the sum is 23.
The square root of 1230213119 is about 35074.3940646164. The cubic root of 1230213119 is about 1071.5031480932.
The spelling of 1230213119 in words is "one billion, two hundred thirty million, two hundred thirteen thousand, one hundred nineteen".
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