Base | Representation |
---|---|
bin | 11100001110001001… |
… | …110001000001001001 |
3 | 2220012210221212112102 |
4 | 130032021301001021 |
5 | 444024331242134 |
6 | 21530505323145 |
7 | 2121626360615 |
oct | 341611610111 |
9 | 86183855472 |
10 | 30302212169 |
11 | 1193a899559 |
12 | 5a581964b5 |
13 | 2b1bb88a78 |
14 | 1676636345 |
15 | bc542337e |
hex | 70e271049 |
30302212169 has 2 divisors, whose sum is σ = 30302212170. Its totient is φ = 30302212168.
The previous prime is 30302212117. The next prime is 30302212243. The reversal of 30302212169 is 96121220303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19743622144 + 10558590025 = 140512^2 + 102755^2 .
It is a cyclic number.
It is not a de Polignac number, because 30302212169 - 220 = 30301163593 is a prime.
It is a super-2 number, since 2×303022121692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30302212069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151106084 + 15151106085.
It is an arithmetic number, because the mean of its divisors is an integer number (15151106085).
Almost surely, 230302212169 is an apocalyptic number.
It is an amenable number.
30302212169 is a deficient number, since it is larger than the sum of its proper divisors (1).
30302212169 is an equidigital number, since it uses as much as digits as its factorization.
30302212169 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 29.
The spelling of 30302212169 in words is "thirty billion, three hundred two million, two hundred twelve thousand, one hundred sixty-nine".
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