Base | Representation |
---|---|
bin | 10001110000011010001… |
… | …100001010111000111100 |
3 | 11022122120112121001222111 |
4 | 101300122030022320330 |
5 | 124442442242010022 |
6 | 2332320133223404 |
7 | 154104641542405 |
oct | 21603214127074 |
9 | 4278515531874 |
10 | 1220210110012 |
11 | 430540883953 |
12 | 178599a91b64 |
13 | 8b0b067959a |
14 | 430b66a49ac |
15 | 21b1910b477 |
hex | 11c1a30ae3c |
1220210110012 has 48 divisors (see below), whose sum is σ = 2214551960320. Its totient is φ = 587666534400.
The previous prime is 1220210110001. The next prime is 1220210110033. The reversal of 1220210110012 is 2100110120221.
It is a junction number, because it is equal to n+sod(n) for n = 1220210109974 and 1220210110001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179942062 + ... + 179948842.
Almost surely, 21220210110012 is an apocalyptic number.
It is an amenable number.
1220210110012 is a deficient number, since it is larger than the sum of its proper divisors (994341850308).
1220210110012 is a wasteful number, since it uses less digits than its factorization.
1220210110012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13382 (or 13380 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1220210110012 its reverse (2100110120221), we get a palindrome (3320320230233).
The spelling of 1220210110012 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred ten thousand, twelve".
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