Base | Representation |
---|---|
bin | 11100101111111110… |
… | …111001001001100001 |
3 | 2221200100221200011002 |
4 | 130233332321021201 |
5 | 1001210131142413 |
6 | 22103102401345 |
7 | 2141660601455 |
oct | 345776711141 |
9 | 87610850132 |
10 | 30869787233 |
11 | 1210121005a |
12 | 5b96290255 |
13 | 2bac6409bc |
14 | 16cbb7c665 |
15 | c0a188958 |
hex | 72ffb9261 |
30869787233 has 2 divisors, whose sum is σ = 30869787234. Its totient is φ = 30869787232.
The previous prime is 30869787139. The next prime is 30869787239. The reversal of 30869787233 is 33278796803.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22924382464 + 7945404769 = 151408^2 + 89137^2 .
It is a cyclic number.
It is not a de Polignac number, because 30869787233 - 212 = 30869783137 is a prime.
It is not a weakly prime, because it can be changed into another prime (30869787239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15434893616 + 15434893617.
It is an arithmetic number, because the mean of its divisors is an integer number (15434893617).
Almost surely, 230869787233 is an apocalyptic number.
It is an amenable number.
30869787233 is a deficient number, since it is larger than the sum of its proper divisors (1).
30869787233 is an equidigital number, since it uses as much as digits as its factorization.
30869787233 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9144576, while the sum is 56.
The spelling of 30869787233 in words is "thirty billion, eight hundred sixty-nine million, seven hundred eighty-seven thousand, two hundred thirty-three".
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