Base | Representation |
---|---|
bin | 10001100110111010110… |
… | …111110101101100100100 |
3 | 11021200021110000011200211 |
4 | 101212322313311230210 |
5 | 124311110334311322 |
6 | 2323513113345204 |
7 | 153264306612160 |
oct | 21467267655444 |
9 | 4250243004624 |
10 | 1210021010212 |
11 | 427192351413 |
12 | 176615708204 |
13 | 8a148750351 |
14 | 427cb399ca0 |
15 | 2171e848b77 |
hex | 119badf5b24 |
1210021010212 has 24 divisors (see below), whose sum is σ = 2420065311104. Its totient is φ = 518575442112.
The previous prime is 1210021010201. The next prime is 1210021010249. The reversal of 1210021010212 is 2120101200121.
It is a junction number, because it is equal to n+sod(n) for n = 1210021010192 and 1210021010201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5565208 + ... + 5778544.
Almost surely, 21210021010212 is an apocalyptic number.
It is an amenable number.
1210021010212 is an abundant number, since it is smaller than the sum of its proper divisors (1210044300892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210021010212 is a wasteful number, since it uses less digits than its factorization.
1210021010212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415915 (or 415913 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1210021010212 its reverse (2120101200121), we get a palindrome (3330122210333).
The spelling of 1210021010212 in words is "one trillion, two hundred ten billion, twenty-one million, ten thousand, two hundred twelve".
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