Base | Representation |
---|---|
bin | 110111111110110111… |
… | …0110010111101100000 |
3 | 102111022102001120221101 |
4 | 1233331232302331200 |
5 | 3432203040120000 |
6 | 131121225404144 |
7 | 11454121544404 |
oct | 1577556627540 |
9 | 374272046841 |
10 | 120221020000 |
11 | 46a926a4784 |
12 | 1b371939654 |
13 | b44bc21133 |
14 | 5b6683b104 |
15 | 31d95b2e6a |
hex | 1bfdbb2f60 |
120221020000 has 240 divisors, whose sum is σ = 304655529024. Its totient is φ = 46656000000.
The previous prime is 120221019991. The next prime is 120221020001. The reversal of 120221020000 is 20122021.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120221020001) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222219730 + ... + 222220270.
Almost surely, 2120221020000 is an apocalyptic number.
120221020000 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 120221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152327764512).
120221020000 is an abundant number, since it is smaller than the sum of its proper divisors (184434509024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120221020000 is an equidigital number, since it uses as much as digits as its factorization.
120221020000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883 (or 860 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 120221020000 its reverse (20122021), we get a palindrome (120241142021).
The spelling of 120221020000 in words is "one hundred twenty billion, two hundred twenty-one million, twenty thousand".
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