Base | Representation |
---|---|
bin | 110111111000111000… |
… | …0110001100110000101 |
3 | 102110210102012111021210 |
4 | 1233301300301212011 |
5 | 3431300133241401 |
6 | 131045253402033 |
7 | 11446132653546 |
oct | 1576160614605 |
9 | 373712174253 |
10 | 120020212101 |
11 | 4699a30a839 |
12 | 1b316639319 |
13 | b4194431aa |
14 | 5b47cc84cd |
15 | 31c6b494d6 |
hex | 1bf1c31985 |
120020212101 has 16 divisors (see below), whose sum is σ = 161868732480. Its totient is φ = 79093069440.
The previous prime is 120020212079. The next prime is 120020212163. The reversal of 120020212101 is 101212020021.
It is not a de Polignac number, because 120020212101 - 29 = 120020211589 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120020212171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961386 + ... + 1079028.
It is an arithmetic number, because the mean of its divisors is an integer number (10116795780).
Almost surely, 2120020212101 is an apocalyptic number.
It is an amenable number.
120020212101 is a deficient number, since it is larger than the sum of its proper divisors (41848520379).
120020212101 is a wasteful number, since it uses less digits than its factorization.
120020212101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121556.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 120020212101 its reverse (101212020021), we get a palindrome (221232232122).
The spelling of 120020212101 in words is "one hundred twenty billion, twenty million, two hundred twelve thousand, one hundred one".
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