Base | Representation |
---|---|
bin | 110111111110100010… |
… | …1100110010010110100 |
3 | 102111021122201220102020 |
4 | 1233331011212102310 |
5 | 3432142304021322 |
6 | 131120202113140 |
7 | 11453631004215 |
oct | 1577505462264 |
9 | 374248656366 |
10 | 120210220212 |
11 | 46a87598735 |
12 | 1b36a1ab7b0 |
13 | b44990c524 |
14 | 5b6522940c |
15 | 31d867d05c |
hex | 1bfd1664b4 |
120210220212 has 12 divisors (see below), whose sum is σ = 280490513856. Its totient is φ = 40070073400.
The previous prime is 120210220211. The next prime is 120210220223. The reversal of 120210220212 is 212022012021.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 120210220191 and 120210220200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120210220211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008759164 + ... + 5008759187.
It is an arithmetic number, because the mean of its divisors is an integer number (23374209488).
Almost surely, 2120210220212 is an apocalyptic number.
120210220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120210220212 is an abundant number, since it is smaller than the sum of its proper divisors (160280293644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120210220212 is a wasteful number, since it uses less digits than its factorization.
120210220212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10017518358 (or 10017518356 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 120210220212 its reverse (212022012021), we get a palindrome (332232232233).
The spelling of 120210220212 in words is "one hundred twenty billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".
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