Base | Representation |
---|---|
bin | 111101011111011110… |
… | …010001000010110000 |
3 | 20022102111002111120000 |
4 | 331133132101002300 |
5 | 2040210211412323 |
6 | 50155420150000 |
7 | 4525123053330 |
oct | 753736210260 |
9 | 208374074500 |
10 | 66026279088 |
11 | 26002127800 |
12 | 10968098300 |
13 | 62c30c73c3 |
14 | 32a4d830c0 |
15 | 1ab682be43 |
hex | f5f7910b0 |
66026279088 has 300 divisors, whose sum is σ = 240062499600. Its totient is φ = 17149397760.
The previous prime is 66026279063. The next prime is 66026279119. The reversal of 66026279088 is 88097262066.
66026279088 is a `hidden beast` number, since 6 + 6 + 0 + 2 + 627 + 9 + 0 + 8 + 8 = 666.
It is a super-2 number, since 2×660262790882 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1067638 + ... + 1127786.
It is an arithmetic number, because the mean of its divisors is an integer number (800208332).
Almost surely, 266026279088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 66026279088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120031249800).
66026279088 is an abundant number, since it is smaller than the sum of its proper divisors (174036220512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66026279088 is a wasteful number, since it uses less digits than its factorization.
66026279088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60198 (or 60172 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 66026279088 in words is "sixty-six billion, twenty-six million, two hundred seventy-nine thousand, eighty-eight".
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