Base | Representation |
---|---|
bin | 11100001110101001… |
… | …111011100101011101 |
3 | 2220020101211020220201 |
4 | 130032221323211131 |
5 | 444034011102221 |
6 | 21531410143501 |
7 | 2122061136445 |
oct | 341651734535 |
9 | 86211736821 |
10 | 30310644061 |
11 | 11944628565 |
12 | 5a5ab81b91 |
13 | 2b2084b959 |
14 | 16777cd125 |
15 | bc603b891 |
hex | 70ea7b95d |
30310644061 has 2 divisors, whose sum is σ = 30310644062. Its totient is φ = 30310644060.
The previous prime is 30310644019. The next prime is 30310644073. The reversal of 30310644061 is 16044601303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26245944036 + 4064700025 = 162006^2 + 63755^2 .
It is a cyclic number.
It is not a de Polignac number, because 30310644061 - 219 = 30310119773 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30310644361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155322030 + 15155322031.
It is an arithmetic number, because the mean of its divisors is an integer number (15155322031).
Almost surely, 230310644061 is an apocalyptic number.
It is an amenable number.
30310644061 is a deficient number, since it is larger than the sum of its proper divisors (1).
30310644061 is an equidigital number, since it uses as much as digits as its factorization.
30310644061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 28.
The spelling of 30310644061 in words is "thirty billion, three hundred ten million, six hundred forty-four thousand, sixty-one".
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