Base | Representation |
---|---|
bin | 111100101111100110… |
… | …000100111000110000 |
3 | 20020100111121201100101 |
4 | 330233212010320300 |
5 | 2032034043120310 |
6 | 45544003402144 |
7 | 4466200344331 |
oct | 745746047060 |
9 | 206314551311 |
10 | 65223020080 |
11 | 2572a770389 |
12 | 10783083354 |
13 | 61c587300a |
14 | 322a40a288 |
15 | 1a6b05e43a |
hex | f2f984e30 |
65223020080 has 40 divisors (see below), whose sum is σ = 160563732192. Its totient is φ = 24554548224.
The previous prime is 65223020033. The next prime is 65223020081. The reversal of 65223020080 is 8002032256.
65223020080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (65223020081) 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, 23977692 + ... + 23980411.
Almost surely, 265223020080 is an apocalyptic number.
It is an amenable number.
65223020080 is an abundant number, since it is smaller than the sum of its proper divisors (95340712112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65223020080 is a wasteful number, since it uses less digits than its factorization.
65223020080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47958133 (or 47958127 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The spelling of 65223020080 in words is "sixty-five billion, two hundred twenty-three million, twenty thousand, eighty".
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