Base | Representation |
---|---|
bin | 1101101010000010111111… |
… | …11000101100111001100001 |
3 | 10221100000220010000222100202 |
4 | 12311001133320230321201 |
5 | 12414021034112024441 |
6 | 143512304115354545 |
7 | 6216512311234361 |
oct | 665013770547141 |
9 | 127300803028322 |
10 | 30032020033121 |
11 | 9629565414947 |
12 | 34504a68b2a55 |
13 | 139b013173c02 |
14 | 75b7b3bc69a1 |
15 | 371305e2119b |
hex | 1b505fe2ce61 |
30032020033121 has 16 divisors (see below), whose sum is σ = 31939421630976. Its totient is φ = 28140269934336.
The previous prime is 30032020033111. The next prime is 30032020033129. The reversal of 30032020033121 is 12133002023003.
It is a cyclic number.
It is not a de Polignac number, because 30032020033121 - 210 = 30032020032097 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30032020033093 and 30032020033102.
It is not an unprimeable number, because it can be changed into a prime (30032020033129) 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, 298933520 + ... + 299033966.
It is an arithmetic number, because the mean of its divisors is an integer number (1996213851936).
Almost surely, 230032020033121 is an apocalyptic number.
It is an amenable number.
30032020033121 is a deficient number, since it is larger than the sum of its proper divisors (1907401597855).
30032020033121 is a wasteful number, since it uses less digits than its factorization.
30032020033121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178168.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30032020033121 its reverse (12133002023003), we get a palindrome (42165022056124).
The spelling of 30032020033121 in words is "thirty trillion, thirty-two billion, twenty million, thirty-three thousand, one hundred twenty-one".
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