Base | Representation |
---|---|
bin | 100000010100011101111… |
… | …111001111100011101101 |
3 | 21212022210101121112202112 |
4 | 200110131333033203231 |
5 | 242342102302210333 |
6 | 4420151443533405 |
7 | 316314323536601 |
oct | 40243577174355 |
9 | 7768711545675 |
10 | 2221001210093 |
11 | 786a15310a66 |
12 | 2ba54098a265 |
13 | 131593800083 |
14 | 796d5bdb501 |
15 | 3cb9003c948 |
hex | 2051dfcf8ed |
2221001210093 has 2 divisors, whose sum is σ = 2221001210094. Its totient is φ = 2221001210092.
The previous prime is 2221001210039. The next prime is 2221001210107. The reversal of 2221001210093 is 3900121001222.
It is a happy number.
Together with previous prime (2221001210039) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1249716060649 + 971285149444 = 1117907^2 + 985538^2 .
It is a cyclic number.
It is not a de Polignac number, because 2221001210093 - 210 = 2221001209069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221031210093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110500605046 + 1110500605047.
It is an arithmetic number, because the mean of its divisors is an integer number (1110500605047).
Almost surely, 22221001210093 is an apocalyptic number.
It is an amenable number.
2221001210093 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221001210093 is an equidigital number, since it uses as much as digits as its factorization.
2221001210093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 23.
The spelling of 2221001210093 in words is "two trillion, two hundred twenty-one billion, one million, two hundred ten thousand, ninety-three".
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