Base | Representation |
---|---|
bin | 100000010100101001111… |
… | …001011110000011100001 |
3 | 21212100022022121002211000 |
4 | 200110221321132003201 |
5 | 242343004430220301 |
6 | 4420223342342213 |
7 | 316322301115236 |
oct | 40245171360341 |
9 | 7770268532730 |
10 | 2221201023201 |
11 | 787008086566 |
12 | 2ba59788a969 |
13 | 1315c6020294 |
14 | 7971457178d |
15 | 3cba285b786 |
hex | 20529e5e0e1 |
2221201023201 has 32 divisors (see below), whose sum is σ = 3313142784000. Its totient is φ = 1470691155600.
The previous prime is 2221201023157. The next prime is 2221201023203. The reversal of 2221201023201 is 1023201021222.
2221201023201 is a `hidden beast` number, since 2 + 221 + 20 + 102 + 320 + 1 = 666.
It is not a de Polignac number, because 2221201023201 - 234 = 2204021154017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2221201023203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20686150 + ... + 20793248.
It is an arithmetic number, because the mean of its divisors is an integer number (103535712000).
Almost surely, 22221201023201 is an apocalyptic number.
It is an amenable number.
2221201023201 is a deficient number, since it is larger than the sum of its proper divisors (1091941760799).
2221201023201 is a wasteful number, since it uses less digits than its factorization.
2221201023201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112346 (or 112340 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 2221201023201 its reverse (1023201021222), we get a palindrome (3244402044423).
The spelling of 2221201023201 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twenty-three thousand, two hundred one".
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