Base | Representation |
---|---|
bin | 110111111110111001… |
… | …0111111110010100000 |
3 | 102111022111010112101121 |
4 | 1233331302333302200 |
5 | 3432203330333440 |
6 | 131121305142024 |
7 | 11454134111563 |
oct | 1577562776240 |
9 | 374274115347 |
10 | 120222121120 |
11 | 46a93286aa2 |
12 | 1b37218a914 |
13 | b44c21839a |
14 | 5b66a464da |
15 | 31d972e34a |
hex | 1bfdcbfca0 |
120222121120 has 48 divisors (see below), whose sum is σ = 284046860160. Its totient is φ = 48085106944.
The previous prime is 120222121111. The next prime is 120222121127. The reversal of 120222121120 is 21121222021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 120222121094 and 120222121103.
It is not an unprimeable number, because it can be changed into a prime (120222121127) 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, 3032949 + ... + 3072331.
It is an arithmetic number, because the mean of its divisors is an integer number (5917642920).
Almost surely, 2120222121120 is an apocalyptic number.
120222121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120222121120 is an abundant number, since it is smaller than the sum of its proper divisors (163824739040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120222121120 is a wasteful number, since it uses less digits than its factorization.
120222121120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58477 (or 58469 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 120222121120 its reverse (21121222021), we get a palindrome (141343343141).
The spelling of 120222121120 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty".
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