Base | Representation |
---|---|
bin | 110111111110111000… |
… | …0011010001111001100 |
3 | 102111022102212002012210 |
4 | 1233331300122033030 |
5 | 3432203142134040 |
6 | 131121242430420 |
7 | 11454125255610 |
oct | 1577560321714 |
9 | 374272762183 |
10 | 120221443020 |
11 | 46a92963588 |
12 | 1b371b02410 |
13 | b44c03b843 |
14 | 5b6690b340 |
15 | 31d9648480 |
hex | 1bfdc1a3cc |
120221443020 has 48 divisors (see below), whose sum is σ = 384708619008. Its totient is φ = 27479186880.
The previous prime is 120221442977. The next prime is 120221443051. The reversal of 120221443020 is 20344122021.
It is a super-2 number, since 2×1202214430202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143120346 + ... + 143121185.
It is an arithmetic number, because the mean of its divisors is an integer number (8014762896).
Almost surely, 2120221443020 is an apocalyptic number.
120221443020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120221443020 is an abundant number, since it is smaller than the sum of its proper divisors (264487175988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120221443020 is a wasteful number, since it uses less digits than its factorization.
120221443020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286241550 (or 286241548 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 120221443020 its reverse (20344122021), we get a palindrome (140565565041).
The spelling of 120221443020 in words is "one hundred twenty billion, two hundred twenty-one million, four hundred forty-three thousand, twenty".
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