Base | Representation |
---|---|
bin | 11100100010101100… |
… | …000111001011001101 |
3 | 2221002211021201111102 |
4 | 130202230013023031 |
5 | 1000231032311031 |
6 | 22025014232445 |
7 | 2133312106634 |
oct | 344254071315 |
9 | 87084251442 |
10 | 30646760141 |
11 | 11aa732a548 |
12 | 5b33655725 |
13 | 2b753834ca |
14 | 16aa2c451b |
15 | be57d17cb |
hex | 722b072cd |
30646760141 has 2 divisors, whose sum is σ = 30646760142. Its totient is φ = 30646760140.
The previous prime is 30646760129. The next prime is 30646760161. The reversal of 30646760141 is 14106764603.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30097045225 + 549714916 = 173485^2 + 23446^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30646760141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30646760095 and 30646760104.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30646760161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15323380070 + 15323380071.
It is an arithmetic number, because the mean of its divisors is an integer number (15323380071).
Almost surely, 230646760141 is an apocalyptic number.
It is an amenable number.
30646760141 is a deficient number, since it is larger than the sum of its proper divisors (1).
30646760141 is an equidigital number, since it uses as much as digits as its factorization.
30646760141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72576, while the sum is 38.
The spelling of 30646760141 in words is "thirty billion, six hundred forty-six million, seven hundred sixty thousand, one hundred forty-one".
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