Base | Representation |
---|---|
bin | 110111111110010001… |
… | …1100111001111110100 |
3 | 102111021000222021120120 |
4 | 1233330203213033310 |
5 | 3432133013424340 |
6 | 131115243131540 |
7 | 11453462200404 |
oct | 1577443471764 |
9 | 374230867516 |
10 | 120201311220 |
11 | 46a82563231 |
12 | 1b367213bb0 |
13 | b447b10433 |
14 | 5b63d8a804 |
15 | 31d79bd4d0 |
hex | 1bfc8e73f4 |
120201311220 has 24 divisors (see below), whose sum is σ = 336563671584. Its totient is φ = 32053682976.
The previous prime is 120201311213. The next prime is 120201311221. The reversal of 120201311220 is 22113102021.
120201311220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 120201311220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120201311221) 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, 1001677534 + ... + 1001677653.
It is an arithmetic number, because the mean of its divisors is an integer number (14023486316).
Almost surely, 2120201311220 is an apocalyptic number.
120201311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120201311220 is an abundant number, since it is smaller than the sum of its proper divisors (216362360364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120201311220 is a wasteful number, since it uses less digits than its factorization.
120201311220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2003355199 (or 2003355197 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 120201311220 its reverse (22113102021), we get a palindrome (142314413241).
The spelling of 120201311220 in words is "one hundred twenty billion, two hundred one million, three hundred eleven thousand, two hundred twenty".
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