Base | Representation |
---|---|
bin | 10010101100001111011… |
… | …11111010001010000001 |
3 | 2021101200221112220202201 |
4 | 21112013233322022001 |
5 | 41010240232011431 |
6 | 1211011342313201 |
7 | 64253666421220 |
oct | 11260757721201 |
9 | 2241627486681 |
10 | 642227610241 |
11 | 22840481a138 |
12 | a4574888801 |
13 | 4873c38a729 |
14 | 23126638cb7 |
15 | 11a8c1c7461 |
hex | 9587bfa281 |
642227610241 has 8 divisors (see below), whose sum is σ = 734636255040. Its totient is φ = 549984426288.
The previous prime is 642227610203. The next prime is 642227610253. The reversal of 642227610241 is 142016722246.
642227610241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 642227610241 - 219 = 642227085953 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 642227610241.
It is not an unprimeable number, because it can be changed into a prime (642227610841) 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, 41356891 + ... + 41372416.
It is an arithmetic number, because the mean of its divisors is an integer number (91829531880).
Almost surely, 2642227610241 is an apocalyptic number.
It is an amenable number.
642227610241 is a deficient number, since it is larger than the sum of its proper divisors (92408644799).
642227610241 is a wasteful number, since it uses less digits than its factorization.
642227610241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82730423.
The product of its (nonzero) digits is 64512, while the sum is 37.
The spelling of 642227610241 in words is "six hundred forty-two billion, two hundred twenty-seven million, six hundred ten thousand, two hundred forty-one".
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