Base | Representation |
---|---|
bin | 111101110101110100… |
… | …100101110111011101 |
3 | 20100101121121222220222 |
4 | 331311310211313131 |
5 | 2041442203332201 |
6 | 50300532451125 |
7 | 4540325100500 |
oct | 756564456735 |
9 | 210347558828 |
10 | 66401230301 |
11 | 2618484413a |
12 | 10a51779aa5 |
13 | 63529a8523 |
14 | 32dcaa7137 |
15 | 1ad96e391b |
hex | f75d25ddd |
66401230301 has 24 divisors (see below), whose sum is σ = 79857229824. Its totient is φ = 54994191840.
The previous prime is 66401230283. The next prime is 66401230307. The reversal of 66401230301 is 10303210466.
It is not a de Polignac number, because 66401230301 - 222 = 66397035997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66401230307) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 958436 + ... + 1025378.
It is an arithmetic number, because the mean of its divisors is an integer number (3327384576).
Almost surely, 266401230301 is an apocalyptic number.
It is an amenable number.
66401230301 is a deficient number, since it is larger than the sum of its proper divisors (13455999523).
66401230301 is a wasteful number, since it uses less digits than its factorization.
66401230301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67641 (or 67634 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 66401230301 its reverse (10303210466), we get a palindrome (76704440767).
The spelling of 66401230301 in words is "sixty-six billion, four hundred one million, two hundred thirty thousand, three hundred one".
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