Base | Representation |
---|---|
bin | 11100011100100001… |
… | …000100101011111101 |
3 | 2220211121102110220022 |
4 | 130130201010223331 |
5 | 1000023024444234 |
6 | 22010434501525 |
7 | 2130613641161 |
oct | 343441045375 |
9 | 86747373808 |
10 | 30543203069 |
11 | 11a53929595 |
12 | 5b04a348a5 |
13 | 2b59a95932 |
14 | 169a648ca1 |
15 | bdb677e2e |
hex | 71c844afd |
30543203069 has 2 divisors, whose sum is σ = 30543203070. Its totient is φ = 30543203068.
The previous prime is 30543203063. The next prime is 30543203123. The reversal of 30543203069 is 96030234503.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29185280569 + 1357922500 = 170837^2 + 36850^2 .
It is a cyclic number.
It is not a de Polignac number, because 30543203069 - 228 = 30274767613 is a prime.
It is a super-2 number, since 2×305432030692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30543203063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271601534 + 15271601535.
It is an arithmetic number, because the mean of its divisors is an integer number (15271601535).
Almost surely, 230543203069 is an apocalyptic number.
It is an amenable number.
30543203069 is a deficient number, since it is larger than the sum of its proper divisors (1).
30543203069 is an equidigital number, since it uses as much as digits as its factorization.
30543203069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 58320, while the sum is 35.
The spelling of 30543203069 in words is "thirty billion, five hundred forty-three million, two hundred three thousand, sixty-nine".
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