Base | Representation |
---|---|
bin | 10010101101001001… |
… | …00000001001010100 |
3 | 221220212102221012102 |
4 | 21112210200021110 |
5 | 131031320002040 |
6 | 4340254141232 |
7 | 503600341622 |
oct | 112644401124 |
9 | 27825387172 |
10 | 10042344020 |
11 | 4293706775 |
12 | 1b431b1818 |
13 | c406c4bc7 |
14 | 6b3a26512 |
15 | 3db974515 |
hex | 256920254 |
10042344020 has 48 divisors (see below), whose sum is σ = 21683483136. Its totient is φ = 3904416000.
The previous prime is 10042344007. The next prime is 10042344029. The reversal of 10042344020 is 2044324001.
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 = 10042343983 and 10042344001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10042344029) 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, 199625 + ... + 244815.
It is an arithmetic number, because the mean of its divisors is an integer number (451739232).
Almost surely, 210042344020 is an apocalyptic number.
10042344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10042344020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10841741568).
10042344020 is an abundant number, since it is smaller than the sum of its proper divisors (11641139116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10042344020 is a wasteful number, since it uses less digits than its factorization.
10042344020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45512 (or 45510 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 10042344020 its reverse (2044324001), we get a palindrome (12086668021).
The spelling of 10042344020 in words is "ten billion, forty-two million, three hundred forty-four thousand, twenty".
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