Base | Representation |
---|---|
bin | 100111001101011111… |
… | …100001110110001100 |
3 | 11000200011220110000002 |
4 | 213031133201312030 |
5 | 1142211142100134 |
6 | 31201434223432 |
7 | 3020222434310 |
oct | 471537416614 |
9 | 130604813002 |
10 | 42102300044 |
11 | 169457181a2 |
12 | 81abb84b78 |
13 | 3c7c79729c |
14 | 2075895b40 |
15 | 116635587e |
hex | 9cd7e1d8c |
42102300044 has 12 divisors (see below), whose sum is σ = 84204600144. Its totient is φ = 18043842864.
The previous prime is 42102300001. The next prime is 42102300049. The reversal of 42102300044 is 44000320124.
42102300044 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 42102299989 and 42102300025.
It is not an unprimeable number, because it can be changed into a prime (42102300049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751826759 + ... + 751826814.
It is an arithmetic number, because the mean of its divisors is an integer number (7017050012).
Almost surely, 242102300044 is an apocalyptic number.
It is an amenable number.
42102300044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42102300044 is a wasteful number, since it uses less digits than its factorization.
42102300044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1503653584 (or 1503653582 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 42102300044 its reverse (44000320124), we get a palindrome (86102620168).
The spelling of 42102300044 in words is "forty-two billion, one hundred two million, three hundred thousand, forty-four".
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