Base | Representation |
---|---|
bin | 11100001110100111… |
… | …111100011100101111 |
3 | 2220020100211210120200 |
4 | 130032213330130233 |
5 | 444033342421221 |
6 | 21531351044543 |
7 | 2122053540306 |
oct | 341647743457 |
9 | 86210753520 |
10 | 30310123311 |
11 | 11944302296 |
12 | 5a5a970753 |
13 | 2b206c8910 |
14 | 16776d543d |
15 | bc5e87426 |
hex | 70e9fc72f |
30310123311 has 48 divisors (see below), whose sum is σ = 47441712864. Its totient is φ = 18536988672.
The previous prime is 30310123253. The next prime is 30310123321. The reversal of 30310123311 is 11332101303.
It is a happy number.
30310123311 is a `hidden beast` number, since 30 + 310 + 12 + 3 + 311 = 666.
It is not a de Polignac number, because 30310123311 - 214 = 30310106927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310123321) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17348940 + ... + 17350686.
It is an arithmetic number, because the mean of its divisors is an integer number (988369018).
Almost surely, 230310123311 is an apocalyptic number.
30310123311 is a deficient number, since it is larger than the sum of its proper divisors (17131589553).
30310123311 is a wasteful number, since it uses less digits than its factorization.
30310123311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2600 (or 2597 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30310123311 its reverse (11332101303), we get a palindrome (41642224614).
The spelling of 30310123311 in words is "thirty billion, three hundred ten million, one hundred twenty-three thousand, three hundred eleven".
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