Base | Representation |
---|---|
bin | 111100101111001001… |
… | …010101010010011011 |
3 | 20020022222102220021102 |
4 | 330233021111102123 |
5 | 2032030131010313 |
6 | 45543134102015 |
7 | 4466046322400 |
oct | 745711252233 |
9 | 206288386242 |
10 | 65215485083 |
11 | 25726494211 |
12 | 1078064a90b |
13 | 61c4135438 |
14 | 32294082a7 |
15 | 1a6a571a58 |
hex | f2f25549b |
65215485083 has 12 divisors (see below), whose sum is σ = 76995197352. Its totient is φ = 55064671200.
The previous prime is 65215485061. The next prime is 65215485091. The reversal of 65215485083 is 38058451256.
It is not a de Polignac number, because 65215485083 - 26 = 65215485019 is a prime.
It is a super-2 number, since 2×652154850832 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65215485053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9929018 + ... + 9935583.
It is an arithmetic number, because the mean of its divisors is an integer number (6416266446).
Almost surely, 265215485083 is an apocalyptic number.
65215485083 is a deficient number, since it is larger than the sum of its proper divisors (11779712269).
65215485083 is a wasteful number, since it uses less digits than its factorization.
65215485083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19864682 (or 19864675 counting only the distinct ones).
The product of its (nonzero) digits is 1152000, while the sum is 47.
The spelling of 65215485083 in words is "sixty-five billion, two hundred fifteen million, four hundred eighty-five thousand, eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •