Base | Representation |
---|---|
bin | 10001110000011001100… |
… | …110011010011000101010 |
3 | 11022122112211222012110211 |
4 | 101300121212122120222 |
5 | 124442432223241020 |
6 | 2332315141131334 |
7 | 154104461446303 |
oct | 21603146323052 |
9 | 4278484865424 |
10 | 1220200212010 |
11 | 43053623338a |
12 | 1785966b9b4a |
13 | 8b0ab5c2290 |
14 | 430b52497aa |
15 | 21b1830385a |
hex | 11c1999a62a |
1220200212010 has 64 divisors (see below), whose sum is σ = 2491049473920. Its totient is φ = 426609089280.
The previous prime is 1220200211987. The next prime is 1220200212109. The reversal of 1220200212010 is 102120020221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4844344 + ... + 5089996.
It is an arithmetic number, because the mean of its divisors is an integer number (38922648030).
Almost surely, 21220200212010 is an apocalyptic number.
1220200212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220200212010 is an abundant number, since it is smaller than the sum of its proper divisors (1270849261910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220200212010 is a wasteful number, since it uses less digits than its factorization.
1220200212010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247703.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 1220200212010 its reverse (102120020221), we get a palindrome (1322320232231).
The spelling of 1220200212010 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twelve thousand, ten".
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