Base | Representation |
---|---|
bin | 11100001010000010… |
… | …001101010101010101 |
3 | 2220000222221201211012 |
4 | 130022002031111111 |
5 | 443404134402013 |
6 | 21520000422005 |
7 | 2120130204134 |
oct | 341202152525 |
9 | 86028851735 |
10 | 30233122133 |
11 | 1190489a155 |
12 | 5a39017905 |
13 | 2b0a7784a6 |
14 | 166b3ad91b |
15 | bbe3271a8 |
hex | 70a08d555 |
30233122133 has 32 divisors (see below), whose sum is σ = 34869553920. Its totient is φ = 26047042560.
The previous prime is 30233122121. The next prime is 30233122169. The reversal of 30233122133 is 33122133203.
It is a cyclic number.
It is not a de Polignac number, because 30233122133 - 210 = 30233121109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30233122099 and 30233122108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233122433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865358 + ... + 899616.
It is an arithmetic number, because the mean of its divisors is an integer number (1089673560).
Almost surely, 230233122133 is an apocalyptic number.
It is an amenable number.
30233122133 is a deficient number, since it is larger than the sum of its proper divisors (4636431787).
30233122133 is a wasteful number, since it uses less digits than its factorization.
30233122133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34397.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 30233122133 its reverse (33122133203), we get a palindrome (63355255336).
The spelling of 30233122133 in words is "thirty billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred thirty-three".
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