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66679049330080 = 2551137885823483
BaseRepresentation
bin11110010100100111011010…
…00011001001110110100000
322202002110021121001011101121
433022103231003021312200
532214432143112030310
6353451533221142024
720021255000503045
oct1712235503116640
9282073247034347
1066679049330080
111a278476033810
12758aa1a85a914
132b28a65a458c5
1412673d71991cc
157a971d68c0da
hex3ca4ed0c9da0

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".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 37885823483 75771646966 151543293932 189429117415 303086587864 378858234830 416744058313 606173175728 757716469660 833488116626 1212346351456 1515432939320 1666976233252 2083720291565 3030865878640 3333952466504 4167440583130 6061731757280 6667904933008 8334881166260 13335809866016 16669762332520 33339524665040 66679049330080