Base | Representation |
---|---|
bin | 100111001001110101… |
… | …101100010101110011 |
3 | 11000111220120010222101 |
4 | 213021311230111303 |
5 | 1142044444020311 |
6 | 31151404321231 |
7 | 3015546421000 |
oct | 471165542563 |
9 | 130456503871 |
10 | 42041001331 |
11 | 1691405a5aa |
12 | 8193543217 |
13 | 3c6cb84164 |
14 | 206b69a8a7 |
15 | 1160c97ec1 |
hex | 9c9d6c573 |
42041001331 has 16 divisors (see below), whose sum is σ = 49047352000. Its totient is φ = 36020484864.
The previous prime is 42041001253. The next prime is 42041001367. The reversal of 42041001331 is 13310014024.
It is not a de Polignac number, because 42041001331 - 27 = 42041001203 is a prime.
It is a super-2 number, since 2×420410013312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42041001299 and 42041001308.
It is not an unprimeable number, because it can be changed into a prime (42041001371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865765 + ... + 913033.
It is an arithmetic number, because the mean of its divisors is an integer number (3065459500).
Almost surely, 242041001331 is an apocalyptic number.
42041001331 is a deficient number, since it is larger than the sum of its proper divisors (7006350669).
42041001331 is an equidigital number, since it uses as much as digits as its factorization.
42041001331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49883 (or 49869 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 42041001331 its reverse (13310014024), we get a palindrome (55351015355).
The spelling of 42041001331 in words is "forty-two billion, forty-one million, one thousand, three hundred thirty-one".
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