Base | Representation |
---|---|
bin | 10011100111010011… |
… | …00110100011010000 |
3 | 1000011212110121120001 |
4 | 21303221212203100 |
5 | 133031214021430 |
6 | 4500523055344 |
7 | 521643252361 |
oct | 116351464320 |
9 | 30155417501 |
10 | 10530220240 |
11 | 4514042361 |
12 | 205a671554 |
13 | cba7c3867 |
14 | 71c743b68 |
15 | 4196e53ca |
hex | 273a668d0 |
10530220240 has 160 divisors (see below), whose sum is σ = 26782285824. Its totient is φ = 3834593280.
The previous prime is 10530220153. The next prime is 10530220241. The reversal of 10530220240 is 4202203501.
It is a super-2 number, since 2×105302202402 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10530220241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7080777 + ... + 7082263.
Almost surely, 210530220240 is an apocalyptic number.
10530220240 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 10530220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13391142912).
10530220240 is an abundant number, since it is smaller than the sum of its proper divisors (16252065584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10530220240 is a wasteful number, since it uses less digits than its factorization.
10530220240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1685 (or 1679 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
Adding to 10530220240 its reverse (4202203501), we get a palindrome (14732423741).
The spelling of 10530220240 in words is "ten billion, five hundred thirty million, two hundred twenty thousand, two hundred forty".
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