Base | Representation |
---|---|
bin | 100000001010010101… |
… | …1101010101011011101 |
3 | 20121021100202002210121 |
4 | 1000110223222223131 |
5 | 2112422003434221 |
6 | 51421222034541 |
7 | 4663350202123 |
oct | 1002453525335 |
9 | 217240662717 |
10 | 69066468061 |
11 | 27322247778 |
12 | 11476278a51 |
13 | 6688c104a6 |
14 | 34b2a4b913 |
15 | 1be36ada41 |
hex | 1014aeaadd |
69066468061 has 2 divisors, whose sum is σ = 69066468062. Its totient is φ = 69066468060.
The previous prime is 69066468007. The next prime is 69066468067. The reversal of 69066468061 is 16086466096.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 69066468025 + 36 = 262805^2 + 6^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69066468061 is a prime.
It is a super-2 number, since 2×690664680612 (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 (69066468067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34533234030 + 34533234031.
It is an arithmetic number, because the mean of its divisors is an integer number (34533234031).
Almost surely, 269066468061 is an apocalyptic number.
It is an amenable number.
69066468061 is a deficient number, since it is larger than the sum of its proper divisors (1).
69066468061 is an equidigital number, since it uses as much as digits as its factorization.
69066468061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2239488, while the sum is 52.
The spelling of 69066468061 in words is "sixty-nine billion, sixty-six million, four hundred sixty-eight thousand, sixty-one".
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