Base | Representation |
---|---|
bin | 10011000010101100… |
… | …01001111001010000 |
3 | 222101110121221000102 |
4 | 21201112021321100 |
5 | 131414110212430 |
6 | 4410233111532 |
7 | 511224122156 |
oct | 114126117120 |
9 | 28343557012 |
10 | 10223132240 |
11 | 4376767622 |
12 | 1b938585a8 |
13 | c6bcb3799 |
14 | 6cda473d6 |
15 | 3ec786345 |
hex | 261589e50 |
10223132240 has 60 divisors (see below), whose sum is σ = 25249248156. Its totient is φ = 3848699904.
The previous prime is 10223132239. The next prime is 10223132243. The reversal of 10223132240 is 4223132201.
It can be written as a sum of positive squares in 6 ways, for example, as 1116629056 + 9106503184 = 33416^2 + 95428^2 .
It is a super-3 number, since 3×102231322403 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10223132243) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197969 + ... + 244208.
Almost surely, 210223132240 is an apocalyptic number.
10223132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10223132240 is an abundant number, since it is smaller than the sum of its proper divisors (15026115916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10223132240 is a wasteful number, since it uses less digits than its factorization.
10223132240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442224 (or 442201 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 10223132240 its reverse (4223132201), we get a palindrome (14446264441).
The spelling of 10223132240 in words is "ten billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred forty".
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