Base | Representation |
---|---|
bin | 100111001011000011… |
… | …001000011000111001 |
3 | 11000120022202111022021 |
4 | 213023003020120321 |
5 | 1142120143120210 |
6 | 31153411354441 |
7 | 3016214106412 |
oct | 471303103071 |
9 | 130508674267 |
10 | 42061301305 |
11 | 16924565241 |
12 | 819a2b2a21 |
13 | 3c74140c8a |
14 | 2070262809 |
15 | 1162957bda |
hex | 9cb0c8639 |
42061301305 has 8 divisors (see below), whose sum is σ = 50503105800. Its totient is φ = 33629344896.
The previous prime is 42061301263. The next prime is 42061301369. The reversal of 42061301305 is 50310316024.
It can be written as a sum of positive squares in 4 ways, for example, as 1449781776 + 40611519529 = 38076^2 + 201523^2 .
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 42061301305 - 215 = 42061268537 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42061301305.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2452620 + ... + 2469709.
It is an arithmetic number, because the mean of its divisors is an integer number (6312888225).
Almost surely, 242061301305 is an apocalyptic number.
It is an amenable number.
42061301305 is a deficient number, since it is larger than the sum of its proper divisors (8441804495).
42061301305 is a wasteful number, since it uses less digits than its factorization.
42061301305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4924043.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 42061301305 its reverse (50310316024), we get a palindrome (92371617329).
The spelling of 42061301305 in words is "forty-two billion, sixty-one million, three hundred one thousand, three hundred five".
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