Base | Representation |
---|---|
bin | 10010111001001100… |
… | …00111011001001100 |
3 | 222011220122122101202 |
4 | 21130212013121030 |
5 | 131233204231340 |
6 | 4354304525032 |
7 | 506235506600 |
oct | 113446073114 |
9 | 28156578352 |
10 | 10143430220 |
11 | 433577a290 |
12 | 1b71020778 |
13 | c58628c21 |
14 | 6c321b500 |
15 | 3e5790c15 |
hex | 25c98764c |
10143430220 has 72 divisors (see below), whose sum is σ = 27031611600. Its totient is φ = 3161585280.
The previous prime is 10143430207. The next prime is 10143430223. The reversal of 10143430220 is 2203434101.
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 = 10143430192 and 10143430201.
It is not an unprimeable number, because it can be changed into a prime (10143430223) 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, 459695 + ... + 481254.
It is an arithmetic number, because the mean of its divisors is an integer number (375439050).
Almost surely, 210143430220 is an apocalyptic number.
10143430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10143430220 is an abundant number, since it is smaller than the sum of its proper divisors (16888181380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10143430220 is a wasteful number, since it uses less digits than its factorization.
10143430220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 940983 (or 940974 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 10143430220 its reverse (2203434101), we get a palindrome (12346864321).
The spelling of 10143430220 in words is "ten billion, one hundred forty-three million, four hundred thirty thousand, two hundred twenty".
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