Base | Representation |
---|---|
bin | 100111000111100010… |
… | …001101110101100100 |
3 | 11000102012211000021102 |
4 | 213013202031311210 |
5 | 1142010044404340 |
6 | 31143503535232 |
7 | 3014600003210 |
oct | 470742156544 |
9 | 130365730242 |
10 | 42002341220 |
11 | 168a42546a4 |
12 | 81825ba518 |
13 | 3c64b69458 |
14 | 20664b5940 |
15 | 115c6ad215 |
hex | 9c788dd64 |
42002341220 has 48 divisors (see below), whose sum is σ = 101730478080. Its totient is φ = 14268680064.
The previous prime is 42002341211. The next prime is 42002341237. The reversal of 42002341220 is 2214320024.
42002341220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×420023412202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 42002341192 and 42002341201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360964 + ... + 1391483.
It is an arithmetic number, because the mean of its divisors is an integer number (2119384960).
Almost surely, 242002341220 is an apocalyptic number.
It is an amenable number.
42002341220 is an abundant number, since it is smaller than the sum of its proper divisors (59728136860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42002341220 is a wasteful number, since it uses less digits than its factorization.
42002341220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2752572 (or 2752570 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 42002341220 its reverse (2214320024), we get a palindrome (44216661244).
The spelling of 42002341220 in words is "forty-two billion, two million, three hundred forty-one thousand, two hundred twenty".
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