Base | Representation |
---|---|
bin | 11100000011011111… |
… | …011000101001010101 |
3 | 2212202100100201111211 |
4 | 130003133120221111 |
5 | 443143033031013 |
6 | 21501035301421 |
7 | 2114325036631 |
oct | 340337305125 |
9 | 85670321454 |
10 | 30123330133 |
11 | 1185891a866 |
12 | 5a082aa871 |
13 | 2ac0ab6a00 |
14 | 165a98ddc1 |
15 | bb488b23d |
hex | 7037d8a55 |
30123330133 has 12 divisors (see below), whose sum is σ = 32636530368. Its totient is φ = 27790997520.
The previous prime is 30123330121. The next prime is 30123330157. The reversal of 30123330133 is 33103332103.
It is a de Polignac number, because none of the positive numbers 2k-30123330133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30123330163) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268566 + ... + 363832.
It is an arithmetic number, because the mean of its divisors is an integer number (2719710864).
Almost surely, 230123330133 is an apocalyptic number.
It is an amenable number.
30123330133 is a deficient number, since it is larger than the sum of its proper divisors (2513200235).
30123330133 is a wasteful number, since it uses less digits than its factorization.
30123330133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97164 (or 97151 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 30123330133 its reverse (33103332103), we get a palindrome (63226662236).
The spelling of 30123330133 in words is "thirty billion, one hundred twenty-three million, three hundred thirty thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •