Base | Representation |
---|---|
bin | 110111111000101011… |
… | …0000100101000110100 |
3 | 102110202221000212020122 |
4 | 1233301112010220310 |
5 | 3431241340242322 |
6 | 131044443351112 |
7 | 11446016320655 |
oct | 1576126045064 |
9 | 373687025218 |
10 | 120013212212 |
11 | 46996369703 |
12 | 1b314222498 |
13 | b417b6204a |
14 | 5b46dc552c |
15 | 31c6215442 |
hex | 1bf1584a34 |
120013212212 has 48 divisors (see below), whose sum is σ = 218461698000. Its totient is φ = 57619000320.
The previous prime is 120013212167. The next prime is 120013212217. The reversal of 120013212212 is 212212310021.
It can be written as a sum of positive squares in 8 ways, for example, as 20230510756 + 99782701456 = 142234^2 + 315884^2 .
It is a super-2 number, since 2×1200132122122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120013212217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27593414 + ... + 27597762.
It is an arithmetic number, because the mean of its divisors is an integer number (4551285375).
Almost surely, 2120013212212 is an apocalyptic number.
It is an amenable number.
120013212212 is a deficient number, since it is larger than the sum of its proper divisors (98448485788).
120013212212 is a wasteful number, since it uses less digits than its factorization.
120013212212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5636 (or 5634 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 120013212212 its reverse (212212310021), we get a palindrome (332225522233).
The spelling of 120013212212 in words is "one hundred twenty billion, thirteen million, two hundred twelve thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •