Base | Representation |
---|---|
bin | 1100011010001111000… |
… | …1101110101011110011 |
3 | 202101022100112001201022 |
4 | 3012203301232223303 |
5 | 11443113441314422 |
6 | 241535423530055 |
7 | 21255215422202 |
oct | 3064361565363 |
9 | 671270461638 |
10 | 213201119987 |
11 | 82466524019 |
12 | 353a075992b |
13 | 1714927ab8b |
14 | a467441239 |
15 | 582c3a2342 |
hex | 31a3c6eaf3 |
213201119987 has 2 divisors, whose sum is σ = 213201119988. Its totient is φ = 213201119986.
The previous prime is 213201119977. The next prime is 213201120029. The reversal of 213201119987 is 789911102312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 213201119987 - 214 = 213201103603 is a prime.
It is a super-2 number, since 2×2132011199872 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (213201119977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106600559993 + 106600559994.
It is an arithmetic number, because the mean of its divisors is an integer number (106600559994).
Almost surely, 2213201119987 is an apocalyptic number.
213201119987 is a deficient number, since it is larger than the sum of its proper divisors (1).
213201119987 is an equidigital number, since it uses as much as digits as its factorization.
213201119987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 44.
The spelling of 213201119987 in words is "two hundred thirteen billion, two hundred one million, one hundred nineteen thousand, nine hundred eighty-seven".
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