Base | Representation |
---|---|
bin | 11110000010111001010110… |
… | …00110100101010110000001 |
3 | 22122221020202012010122211200 |
4 | 33001130223012211112001 |
5 | 32124443234443413411 |
6 | 352304122211331413 |
7 | 16626262162551336 |
oct | 1701345306452601 |
9 | 278836665118750 |
10 | 66070205060481 |
11 | 1a0632423455a6 |
12 | 74b0a21bb0b69 |
13 | 2ab351699239b |
14 | 1245b5a47a98d |
15 | 798987154e56 |
hex | 3c172b1a5581 |
66070205060481 has 6 divisors (see below), whose sum is σ = 95434740642930. Its totient is φ = 44046803373648.
The previous prime is 66070205060449. The next prime is 66070205060501. The reversal of 66070205060481 is 18406050207066.
66070205060481 is a `hidden beast` number, since 6 + 60 + 7 + 0 + 2 + 0 + 50 + 60 + 481 = 666.
It can be written as a sum of positive squares in only one way, i.e., 66005615379456 + 64589681025 = 8124384^2 + 254145^2 .
It is not a de Polignac number, because 66070205060481 - 25 = 66070205060449 is a prime.
It is a super-2 number, since 2×660702050604812 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (66070205060401) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3670566947796 + ... + 3670566947813.
It is an arithmetic number, because the mean of its divisors is an integer number (15905790107155).
Almost surely, 266070205060481 is an apocalyptic number.
It is an amenable number.
66070205060481 is a deficient number, since it is larger than the sum of its proper divisors (29364535582449).
66070205060481 is a wasteful number, since it uses less digits than its factorization.
66070205060481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7341133895615 (or 7341133895612 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 66070205060481 in words is "sixty-six trillion, seventy billion, two hundred five million, sixty thousand, four hundred eighty-one".
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