Base | Representation |
---|---|
bin | 110010001111111110011110… |
… | …011110011111111101000100 |
3 | 1001222111102010222202101222111 |
4 | 302033332132132133331010 |
5 | 212431331402424323022 |
6 | 2102010031334310404 |
7 | 64356511000553413 |
oct | 6217763636377504 |
9 | 1058442128671874 |
10 | 221000201011012 |
11 | 64465728009885 |
12 | 209533a01b8404 |
13 | 96412ca38a977 |
14 | 3c80676c9147a |
15 | 1a83ac8145477 |
hex | c8ff9e79ff44 |
221000201011012 has 6 divisors (see below), whose sum is σ = 386750351769278. Its totient is φ = 110500100505504.
The previous prime is 221000201011001. The next prime is 221000201011013. The reversal of 221000201011012 is 210110102000122.
It can be written as a sum of positive squares in only one way, i.e., 133465015922436 + 87535185088576 = 11552706^2 + 9356024^2 .
It is a junction number, because it is equal to n+sod(n) for n = 221000201010983 and 221000201011001.
It is not an unprimeable number, because it can be changed into a prime (221000201011013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625025126373 + ... + 27625025126380.
Almost surely, 2221000201011012 is an apocalyptic number.
It is an amenable number.
221000201011012 is a deficient number, since it is larger than the sum of its proper divisors (165750150758266).
221000201011012 is a wasteful number, since it uses less digits than its factorization.
221000201011012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55250050252757 (or 55250050252755 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 221000201011012 its reverse (210110102000122), we get a palindrome (431110303011134).
The spelling of 221000201011012 in words is "two hundred twenty-one trillion, two hundred one million, eleven thousand, twelve".
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