Base | Representation |
---|---|
bin | 110111111011111010… |
… | …1001001010010010100 |
3 | 102111001111202220212012 |
4 | 1233313311021102110 |
5 | 3432002214133022 |
6 | 131103331443352 |
7 | 11451510221540 |
oct | 1576765112224 |
9 | 374044686765 |
10 | 120122021012 |
11 | 46a41827334 |
12 | 1b344756558 |
13 | b43456b156 |
14 | 5b5762aa20 |
15 | 31d0a59de2 |
hex | 1bf7d49494 |
120122021012 has 24 divisors (see below), whose sum is σ = 254376045504. Its totient is φ = 48452579712.
The previous prime is 120122021009. The next prime is 120122021017. The reversal of 120122021012 is 210120221021.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120122021017) 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, 126178118 + ... + 126179069.
It is an arithmetic number, because the mean of its divisors is an integer number (10599001896).
Almost surely, 2120122021012 is an apocalyptic number.
It is an amenable number.
120122021012 is an abundant number, since it is smaller than the sum of its proper divisors (134254024492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120122021012 is a wasteful number, since it uses less digits than its factorization.
120122021012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252357215 (or 252357213 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 120122021012 its reverse (210120221021), we get a palindrome (330242242033).
Subtracting 120122021012 from its reverse (210120221021), we obtain a square (89998200009 = 2999972).
The spelling of 120122021012 in words is "one hundred twenty billion, one hundred twenty-two million, twenty-one thousand, twelve".
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