Base | Representation |
---|---|
bin | 100111010011111010… |
… | …111010100011010110 |
3 | 11000221200211101221020 |
4 | 213103322322203112 |
5 | 1142421244024142 |
6 | 31220245502010 |
7 | 3023002201500 |
oct | 472372724326 |
9 | 130850741836 |
10 | 42210142422 |
11 | 169a0585828 |
12 | 8220111906 |
13 | 3c98c25546 |
14 | 2085d28d70 |
15 | 1170a58cec |
hex | 9d3eba8d6 |
42210142422 has 48 divisors (see below), whose sum is σ = 98230859712. Its totient is φ = 12056642640.
The previous prime is 42210142411. The next prime is 42210142423. The reversal of 42210142422 is 22424101224.
It is a happy number.
It is a super-2 number, since 2×422101424222 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42210142392 and 42210142401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42210142423) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137453 + ... + 1173975.
It is an arithmetic number, because the mean of its divisors is an integer number (2046476244).
Almost surely, 242210142422 is an apocalyptic number.
42210142422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
42210142422 is an abundant number, since it is smaller than the sum of its proper divisors (56020717290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42210142422 is a wasteful number, since it uses less digits than its factorization.
42210142422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40473 (or 40466 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 42210142422 its reverse (22424101224), we get a palindrome (64634243646).
The spelling of 42210142422 in words is "forty-two billion, two hundred ten million, one hundred forty-two thousand, four hundred twenty-two".
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