Base | Representation |
---|---|
bin | 11100010101100101… |
… | …110000101010110110 |
3 | 2220112111202022022012 |
4 | 130111211300222312 |
5 | 444303302210121 |
6 | 21551124004222 |
7 | 2125003105256 |
oct | 342545605266 |
9 | 86474668265 |
10 | 30426991286 |
11 | 119a427499a |
12 | 5a91b30672 |
13 | 2b3b997073 |
14 | 1689037966 |
15 | bd136ec5b |
hex | 715970ab6 |
30426991286 has 8 divisors (see below), whose sum is σ = 48042617880. Its totient is φ = 14412785328.
The previous prime is 30426991277. The next prime is 30426991291. The reversal of 30426991286 is 68219962403.
30426991286 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400355111 + ... + 400355186.
It is an arithmetic number, because the mean of its divisors is an integer number (6005327235).
Almost surely, 230426991286 is an apocalyptic number.
30426991286 is a deficient number, since it is larger than the sum of its proper divisors (17615626594).
30426991286 is a wasteful number, since it uses less digits than its factorization.
30426991286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800710318.
The product of its (nonzero) digits is 1119744, while the sum is 50.
The spelling of 30426991286 in words is "thirty billion, four hundred twenty-six million, nine hundred ninety-one thousand, two hundred eighty-six".
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