Base | Representation |
---|---|
bin | 10010111001010010… |
… | …01110000111111100 |
3 | 222011222011222222220 |
4 | 21130221032013330 |
5 | 131233411303340 |
6 | 4354334205340 |
7 | 506245440015 |
oct | 113451160774 |
9 | 28158158886 |
10 | 10144244220 |
11 | 4336185910 |
12 | 1b71353850 |
13 | c58852596 |
14 | 6c339000c |
15 | 3e58a1ed0 |
hex | 25ca4e1fc |
10144244220 has 96 divisors (see below), whose sum is σ = 31016514816. Its totient is φ = 2456793600.
The previous prime is 10144244207. The next prime is 10144244221. The reversal of 10144244220 is 2244244101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10144244221) 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, 717015 + ... + 731025.
It is an arithmetic number, because the mean of its divisors is an integer number (323088696).
Almost surely, 210144244220 is an apocalyptic number.
10144244220 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 10144244220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15508257408).
10144244220 is an abundant number, since it is smaller than the sum of its proper divisors (20872270596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10144244220 is a wasteful number, since it uses less digits than its factorization.
10144244220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15131 (or 15129 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 10144244220 its reverse (2244244101), we get a palindrome (12388488321).
The spelling of 10144244220 in words is "ten billion, one hundred forty-four million, two hundred forty-four thousand, two hundred twenty".
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