Base | Representation |
---|---|
bin | 1000001001101111010… |
… | …0101000111101100100 |
3 | 111101111112211210112111 |
4 | 2002123310220331210 |
5 | 4243312111034340 |
6 | 144201202330404 |
7 | 13055435511133 |
oct | 2023364507544 |
9 | 441445753474 |
10 | 140053221220 |
11 | 5443a435020 |
12 | 23187659a04 |
13 | 1028c907643 |
14 | 6ac872391a |
15 | 399a735aea |
hex | 209bd28f64 |
140053221220 has 24 divisors (see below), whose sum is σ = 320849198208. Its totient is φ = 50928444000.
The previous prime is 140053221197. The next prime is 140053221223. The reversal of 140053221220 is 22122350041.
It is a happy number.
It is a super-2 number, since 2×1400532212202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 140053221191 and 140053221200.
It is not an unprimeable number, because it can be changed into a prime (140053221223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318302556 + ... + 318302995.
It is an arithmetic number, because the mean of its divisors is an integer number (13368716592).
Almost surely, 2140053221220 is an apocalyptic number.
140053221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140053221220 is an abundant number, since it is smaller than the sum of its proper divisors (180795976988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140053221220 is a wasteful number, since it uses less digits than its factorization.
140053221220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636605571 (or 636605569 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 140053221220 its reverse (22122350041), we get a palindrome (162175571261).
The spelling of 140053221220 in words is "one hundred forty billion, fifty-three million, two hundred twenty-one thousand, two hundred twenty".
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