Base | Representation |
---|---|
bin | 111110010010100100… |
… | …010001001000011011 |
3 | 20101122020002100022120 |
4 | 332102210101020123 |
5 | 2043434133142311 |
6 | 50420441152323 |
7 | 4555302200430 |
oct | 762244211033 |
9 | 211566070276 |
10 | 66883490331 |
11 | 26401a94249 |
12 | 10b6718b6a3 |
13 | 63cb88baa8 |
14 | 3346b61b87 |
15 | 1b16c05706 |
hex | f9291121b |
66883490331 has 16 divisors (see below), whose sum is σ = 101921319168. Its totient is φ = 38217780000.
The previous prime is 66883490329. The next prime is 66883490341. The reversal of 66883490331 is 13309438866.
It is not a de Polignac number, because 66883490331 - 21 = 66883490329 is a prime.
It is a super-3 number, since 3×668834903313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (66883490341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079956 + ... + 1140206.
It is an arithmetic number, because the mean of its divisors is an integer number (6370082448).
Almost surely, 266883490331 is an apocalyptic number.
66883490331 is a deficient number, since it is larger than the sum of its proper divisors (35037828837).
66883490331 is a wasteful number, since it uses less digits than its factorization.
66883490331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113122.
The product of its (nonzero) digits is 2239488, while the sum is 51.
The spelling of 66883490331 in words is "sixty-six billion, eight hundred eighty-three million, four hundred ninety thousand, three hundred thirty-one".
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