Base | Representation |
---|---|
bin | 10001110000011010001… |
… | …011110000100001011011 |
3 | 11022122120112101120211110 |
4 | 101300122023300201123 |
5 | 124442442230031021 |
6 | 2332320131031403 |
7 | 154104640612500 |
oct | 21603213604133 |
9 | 4278515346743 |
10 | 1220210002011 |
11 | 43054080a7a0 |
12 | 178599a3b563 |
13 | 8b0b063c390 |
14 | 430b66774a7 |
15 | 21b190d9476 |
hex | 11c1a2f085b |
1220210002011 has 192 divisors, whose sum is σ = 2314921545216. Its totient is φ = 561476966400.
The previous prime is 1220210002003. The next prime is 1220210002021. The reversal of 1220210002011 is 1102000120221.
It is not a de Polignac number, because 1220210002011 - 23 = 1220210002003 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220210002021) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 56766976 + ... + 56788466.
It is an arithmetic number, because the mean of its divisors is an integer number (12056883048).
Almost surely, 21220210002011 is an apocalyptic number.
1220210002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1220210002011 is a deficient number, since it is larger than the sum of its proper divisors (1094711543205).
1220210002011 is a wasteful number, since it uses less digits than its factorization.
1220210002011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21642 (or 21635 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1220210002011 its reverse (1102000120221), we get a palindrome (2322210122232).
The spelling of 1220210002011 in words is "one trillion, two hundred twenty billion, two hundred ten million, two thousand, eleven".
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