Base | Representation |
---|---|
bin | 100111001010100001… |
… | …101100000011010001 |
3 | 11000112201021002111002 |
4 | 213022201230003101 |
5 | 1142110422100411 |
6 | 31152455431345 |
7 | 3016046434226 |
oct | 471241540321 |
9 | 130481232432 |
10 | 42052534481 |
11 | 1691a617631 |
12 | 8197385555 |
13 | 3c723917c9 |
14 | 206d01d94d |
15 | 1161cc533b |
hex | 9ca86c0d1 |
42052534481 has 2 divisors, whose sum is σ = 42052534482. Its totient is φ = 42052534480.
The previous prime is 42052534463. The next prime is 42052534543. The reversal of 42052534481 is 18443525024.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41975814400 + 76720081 = 204880^2 + 8759^2 .
It is a cyclic number.
It is not a de Polignac number, because 42052534481 - 234 = 24872665297 is a prime.
It is a super-2 number, since 2×420525344812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (42052534981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026267240 + 21026267241.
It is an arithmetic number, because the mean of its divisors is an integer number (21026267241).
Almost surely, 242052534481 is an apocalyptic number.
It is an amenable number.
42052534481 is a deficient number, since it is larger than the sum of its proper divisors (1).
42052534481 is an equidigital number, since it uses as much as digits as its factorization.
42052534481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 153600, while the sum is 38.
The spelling of 42052534481 in words is "forty-two billion, fifty-two million, five hundred thirty-four thousand, four hundred eighty-one".
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