Base | Representation |
---|---|
bin | 11100000011011110… |
… | …100111110010011011 |
3 | 2212202022222112222220 |
4 | 130003132213302123 |
5 | 443143010130021 |
6 | 21501031115123 |
7 | 2114323244322 |
oct | 340336476233 |
9 | 85668875886 |
10 | 30123130011 |
11 | 118587a3477 |
12 | 5a08212aa3 |
13 | 2ac0a468b0 |
14 | 165a93b0b9 |
15 | bb484bcc6 |
hex | 7037a7c9b |
30123130011 has 16 divisors (see below), whose sum is σ = 43282896384. Its totient is φ = 18524808864.
The previous prime is 30123130003. The next prime is 30123130091. The reversal of 30123130011 is 11003132103.
It is not a de Polignac number, because 30123130011 - 23 = 30123130003 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30123130091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201721 + ... + 317706.
It is an arithmetic number, because the mean of its divisors is an integer number (2705181024).
Almost surely, 230123130011 is an apocalyptic number.
30123130011 is a deficient number, since it is larger than the sum of its proper divisors (13159766373).
30123130011 is a wasteful number, since it uses less digits than its factorization.
30123130011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520930.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30123130011 its reverse (11003132103), we get a palindrome (41126262114).
The spelling of 30123130011 in words is "thirty billion, one hundred twenty-three million, one hundred thirty thousand, eleven".
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