Base | Representation |
---|---|
bin | 100000010100101010011… |
… | …100000110010100010101 |
3 | 21212100022221200022020021 |
4 | 200110222130012110111 |
5 | 242343014241213023 |
6 | 4420224305105141 |
7 | 316322441224201 |
oct | 40245234062425 |
9 | 7770287608207 |
10 | 2221210101013 |
11 | 787012216892 |
12 | 2ba59a9281b1 |
13 | 1315c7b7b177 |
14 | 79715855b01 |
15 | 3cba355135d |
hex | 2052a706515 |
2221210101013 has 2 divisors, whose sum is σ = 2221210101014. Its totient is φ = 2221210101012.
The previous prime is 2221210100987. The next prime is 2221210101073. The reversal of 2221210101013 is 3101010121222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1281971946564 + 939238154449 = 1132242^2 + 969143^2 .
It is a cyclic number.
It is not a de Polignac number, because 2221210101013 - 225 = 2221176546581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221210101073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110605050506 + 1110605050507.
It is an arithmetic number, because the mean of its divisors is an integer number (1110605050507).
Almost surely, 22221210101013 is an apocalyptic number.
It is an amenable number.
2221210101013 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221210101013 is an equidigital number, since it uses as much as digits as its factorization.
2221210101013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 2221210101013 its reverse (3101010121222), we get a palindrome (5322220222235).
The spelling of 2221210101013 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, one hundred one thousand, thirteen".
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