Base | Representation |
---|---|
bin | 111110011101011000… |
… | …1011101101101111001 |
3 | 110211012202022120201202 |
4 | 1330322301131231321 |
5 | 4144144242001411 |
6 | 141341332023545 |
7 | 12455603312315 |
oct | 1747261355571 |
9 | 424182276652 |
10 | 134130031481 |
11 | 5197a9a6996 |
12 | 21bb3a61bb5 |
13 | c857723144 |
14 | 66c5bcab45 |
15 | 375072183b |
hex | 1f3ac5db79 |
134130031481 has 2 divisors, whose sum is σ = 134130031482. Its totient is φ = 134130031480.
The previous prime is 134130031463. The next prime is 134130031547. The reversal of 134130031481 is 184130031431.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 133367388025 + 762643456 = 365195^2 + 27616^2 .
It is a cyclic number.
It is not a de Polignac number, because 134130031481 - 210 = 134130030457 is a prime.
It is a super-2 number, since 2×1341300314812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (134130033481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67065015740 + 67065015741.
It is an arithmetic number, because the mean of its divisors is an integer number (67065015741).
Almost surely, 2134130031481 is an apocalyptic number.
It is an amenable number.
134130031481 is a deficient number, since it is larger than the sum of its proper divisors (1).
134130031481 is an equidigital number, since it uses as much as digits as its factorization.
134130031481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 134130031481 in words is "one hundred thirty-four billion, one hundred thirty million, thirty-one thousand, four hundred eighty-one".
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