Base | Representation |
---|---|
bin | 11100100011100100… |
… | …010101110110110101 |
3 | 2221010212000121020202 |
4 | 130203210111312311 |
5 | 1000243321002331 |
6 | 22030302210245 |
7 | 2133551311163 |
oct | 344344256665 |
9 | 87125017222 |
10 | 30661500341 |
11 | 1200468802a |
12 | 5b38583985 |
13 | 2b78444814 |
14 | 16ac240233 |
15 | be6c43ecb |
hex | 723915db5 |
30661500341 has 2 divisors, whose sum is σ = 30661500342. Its totient is φ = 30661500340.
The previous prime is 30661500319. The next prime is 30661500347. The reversal of 30661500341 is 14300516603.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30201226225 + 460274116 = 173785^2 + 21454^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30661500341 is a prime.
It is a super-2 number, since 2×306615003412 (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 (30661500347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15330750170 + 15330750171.
It is an arithmetic number, because the mean of its divisors is an integer number (15330750171).
Almost surely, 230661500341 is an apocalyptic number.
It is an amenable number.
30661500341 is a deficient number, since it is larger than the sum of its proper divisors (1).
30661500341 is an equidigital number, since it uses as much as digits as its factorization.
30661500341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 29.
The spelling of 30661500341 in words is "thirty billion, six hundred sixty-one million, five hundred thousand, three hundred forty-one".
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