Base | Representation |
---|---|
bin | 100111001000101001… |
… | …110010101001110100 |
3 | 11000110112010021022020 |
4 | 213020221302221310 |
5 | 1142024400313434 |
6 | 31145414033140 |
7 | 3015215331000 |
oct | 471051625164 |
9 | 130415107266 |
10 | 42021104244 |
11 | 169038aa629 |
12 | 81889487b0 |
13 | 3c68a08832 |
14 | 2068b9b700 |
15 | 115e167849 |
hex | 9c8a72a74 |
42021104244 has 48 divisors (see below), whose sum is σ = 114343152000. Its totient is φ = 12006028608.
The previous prime is 42021104243. The next prime is 42021104249. The reversal of 42021104244 is 44240112024.
It is a super-2 number, since 2×420211042442 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42021104243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5100489 + ... + 5108720.
It is an arithmetic number, because the mean of its divisors is an integer number (2382149000).
Almost surely, 242021104244 is an apocalyptic number.
It is an amenable number.
42021104244 is an abundant number, since it is smaller than the sum of its proper divisors (72322047756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42021104244 is a wasteful number, since it uses less digits than its factorization.
42021104244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10209237 (or 10209221 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 42021104244 its reverse (44240112024), we get a palindrome (86261216268).
The spelling of 42021104244 in words is "forty-two billion, twenty-one million, one hundred four thousand, two hundred forty-four".
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