Base | Representation |
---|---|
bin | 11100011100111110… |
… | …001010111110111001 |
3 | 2220212010210000111111 |
4 | 130130332022332321 |
5 | 1000032003043113 |
6 | 22011310200321 |
7 | 2131035531142 |
oct | 343476127671 |
9 | 86763700444 |
10 | 30550831033 |
11 | 11a58169598 |
12 | 5b074b30a1 |
13 | 2b5b536918 |
14 | 169b672ac9 |
15 | bdc18313d |
hex | 71cf8afb9 |
30550831033 has 2 divisors, whose sum is σ = 30550831034. Its totient is φ = 30550831032.
The previous prime is 30550831009. The next prime is 30550831039. The reversal of 30550831033 is 33013805503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29163417529 + 1387413504 = 170773^2 + 37248^2 .
It is a cyclic number.
It is not a de Polignac number, because 30550831033 - 229 = 30013960121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30550830986 and 30550831004.
It is not a weakly prime, because it can be changed into another prime (30550831039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275415516 + 15275415517.
It is an arithmetic number, because the mean of its divisors is an integer number (15275415517).
Almost surely, 230550831033 is an apocalyptic number.
It is an amenable number.
30550831033 is a deficient number, since it is larger than the sum of its proper divisors (1).
30550831033 is an equidigital number, since it uses as much as digits as its factorization.
30550831033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16200, while the sum is 31.
The spelling of 30550831033 in words is "thirty billion, five hundred fifty million, eight hundred thirty-one thousand, thirty-three".
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