Base | Representation |
---|---|
bin | 11110010100100111011010… |
… | …00011001001110110100000 |
3 | 22202002110021121001011101121 |
4 | 33022103231003021312200 |
5 | 32214432143112030310 |
6 | 353451533221142024 |
7 | 20021255000503045 |
oct | 1712235503116640 |
9 | 282073247034347 |
10 | 66679049330080 |
11 | 1a278476033810 |
12 | 758aa1a85a914 |
13 | 2b28a65a458c5 |
14 | 12673d71991cc |
15 | 7a971d68c0da |
hex | 3ca4ed0c9da0 |
66679049330080 has 48 divisors (see below), whose sum is σ = 171850095323424. Its totient is φ = 24246927028480.
The previous prime is 66679049330077. The next prime is 66679049330081. The reversal of 66679049330080 is 8003394097666.
It is not an unprimeable number, because it can be changed into a prime (66679049330081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18942909982 + ... + 18942913501.
It is an arithmetic number, because the mean of its divisors is an integer number (3580210319238).
Almost surely, 266679049330080 is an apocalyptic number.
It is an amenable number.
66679049330080 is an abundant number, since it is smaller than the sum of its proper divisors (105171045993344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66679049330080 is a wasteful number, since it uses less digits than its factorization.
66679049330080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37885823509 (or 37885823501 counting only the distinct ones).
The product of its (nonzero) digits is 35271936, while the sum is 61.
The spelling of 66679049330080 in words is "sixty-six trillion, six hundred seventy-nine billion, forty-nine million, three hundred thirty thousand, eighty".
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