Base | Representation |
---|---|
bin | 1101101111110101101001… |
… | …10010101101010111001101 |
3 | 10222001001112021110011002212 |
4 | 12313322310302231113031 |
5 | 12430301103313134013 |
6 | 144143534034000205 |
7 | 6240055453564361 |
oct | 667726462552715 |
9 | 128031467404085 |
10 | 30231013021133 |
11 | 96a599a803031 |
12 | 3482b81116065 |
13 | 13b3a0696c3b2 |
14 | 7672902532a1 |
15 | 3765a0c7b6a8 |
hex | 1b7eb4cad5cd |
30231013021133 has 8 divisors (see below), whose sum is σ = 30450379944600. Its totient is φ = 30012311855680.
The previous prime is 30231013021093. The next prime is 30231013021151. The reversal of 30231013021133 is 33112031013203.
It can be written as a sum of positive squares in 4 ways, for example, as 5442693029764 + 24788319991369 = 2332958^2 + 4978787^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30231013021133 - 238 = 29956135114189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30231013021099 and 30231013021108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231013021163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166348358 + ... + 166529991.
It is an arithmetic number, because the mean of its divisors is an integer number (3806297493075).
Almost surely, 230231013021133 is an apocalyptic number.
It is an amenable number.
30231013021133 is a deficient number, since it is larger than the sum of its proper divisors (219366923467).
30231013021133 is a wasteful number, since it uses less digits than its factorization.
30231013021133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332879007.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 30231013021133 its reverse (33112031013203), we get a palindrome (63343044034336).
The spelling of 30231013021133 in words is "thirty trillion, two hundred thirty-one billion, thirteen million, twenty-one thousand, one hundred thirty-three".
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