Base | Representation |
---|---|
bin | 10011010110011100010… |
… | …00110101111011110111 |
3 | 2100120011212101200102021 |
4 | 21223032020311323313 |
5 | 41343140121410101 |
6 | 1225235422254011 |
7 | 66015300356653 |
oct | 11531610657367 |
9 | 2316155350367 |
10 | 664883388151 |
11 | 236a80380434 |
12 | a8a38127307 |
13 | 4a910037588 |
14 | 24275521a63 |
15 | 124661905a1 |
hex | 9ace235ef7 |
664883388151 has 4 divisors (see below), whose sum is σ = 665937086704. Its totient is φ = 663829689600.
The previous prime is 664883388139. The next prime is 664883388179. The reversal of 664883388151 is 151883388466.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 664883388151 - 229 = 664346517239 is a prime.
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 664883388151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (664883388181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526848330 + ... + 526849591.
It is an arithmetic number, because the mean of its divisors is an integer number (166484271676).
Almost surely, 2664883388151 is an apocalyptic number.
664883388151 is a deficient number, since it is larger than the sum of its proper divisors (1053698553).
664883388151 is a wasteful number, since it uses less digits than its factorization.
664883388151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1053698552.
The product of its digits is 26542080, while the sum is 61.
The spelling of 664883388151 in words is "six hundred sixty-four billion, eight hundred eighty-three million, three hundred eighty-eight thousand, one hundred fifty-one".
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