Base | Representation |
---|---|
bin | 111101011110110000… |
… | …101010100110111101 |
3 | 20022101122121011212201 |
4 | 331132300222212331 |
5 | 2040144131401211 |
6 | 50154312031501 |
7 | 4524616335310 |
oct | 753660524675 |
9 | 208348534781 |
10 | 66014325181 |
11 | 25aa6402642 |
12 | 10964092591 |
13 | 62c07a039c |
14 | 32a3550977 |
15 | 1ab576a0c1 |
hex | f5ec2a9bd |
66014325181 has 8 divisors (see below), whose sum is σ = 75452494400. Its totient is φ = 56578043808.
The previous prime is 66014325161. The next prime is 66014325203. The reversal of 66014325181 is 18152341066.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 66014325181 - 27 = 66014325053 is a prime.
It is a super-2 number, since 2×660143251812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 66014325181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66014325161) 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, 396216 + ... + 537601.
It is an arithmetic number, because the mean of its divisors is an integer number (9431561800).
Almost surely, 266014325181 is an apocalyptic number.
It is an amenable number.
66014325181 is a deficient number, since it is larger than the sum of its proper divisors (9438169219).
66014325181 is a wasteful number, since it uses less digits than its factorization.
66014325181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943923.
The product of its (nonzero) digits is 34560, while the sum is 37.
The spelling of 66014325181 in words is "sixty-six billion, fourteen million, three hundred twenty-five thousand, one hundred eighty-one".
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