Base | Representation |
---|---|
bin | 1111101111001… |
… | …1111000101111 |
3 | 11121012200121200 |
4 | 3323303320233 |
5 | 113344320141 |
6 | 10314500543 |
7 | 1431036636 |
oct | 373637057 |
9 | 147180550 |
10 | 66010671 |
11 | 34296881 |
12 | 1a134753 |
13 | 108a2a8c |
14 | 8aa451d |
15 | 5bddab6 |
hex | 3ef3e2f |
66010671 has 18 divisors (see below), whose sum is σ = 96436080. Its totient is φ = 43510800.
The previous prime is 66010669. The next prime is 66010691. The reversal of 66010671 is 17601066.
It is not a de Polignac number, because 66010671 - 21 = 66010669 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66010631) by changing a digit.
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 17 ways as a sum of consecutive naturals, for example, 91450 + ... + 92168.
It is an arithmetic number, because the mean of its divisors is an integer number (5357560).
Almost surely, 266010671 is an apocalyptic number.
66010671 is a deficient number, since it is larger than the sum of its proper divisors (30425409).
66010671 is a wasteful number, since it uses less digits than its factorization.
66010671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927 (or 823 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 66010671 is about 8124.6951327419. The cubic root of 66010671 is about 404.1457807230.
The spelling of 66010671 in words is "sixty-six million, ten thousand, six hundred seventy-one".
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