Base | Representation |
---|---|
bin | 1100011110010010010… |
… | …0111011000101010001 |
3 | 202111010010012121112201 |
4 | 3013210210323011101 |
5 | 12002330300010222 |
6 | 242235341323201 |
7 | 21324156225442 |
oct | 3074444730521 |
9 | 674103177481 |
10 | 214288281937 |
11 | 8297416a974 |
12 | 35644866501 |
13 | 17290585282 |
14 | a52b99b2c9 |
15 | 5892a4e427 |
hex | 31e493b151 |
214288281937 has 2 divisors, whose sum is σ = 214288281938. Its totient is φ = 214288281936.
The previous prime is 214288281877. The next prime is 214288281953. The reversal of 214288281937 is 739182882412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 118755362881 + 95532919056 = 344609^2 + 309084^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-214288281937 is a prime.
It is a super-2 number, since 2×2142882819372 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (214288291937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107144140968 + 107144140969.
It is an arithmetic number, because the mean of its divisors is an integer number (107144140969).
Almost surely, 2214288281937 is an apocalyptic number.
It is an amenable number.
214288281937 is a deficient number, since it is larger than the sum of its proper divisors (1).
214288281937 is an equidigital number, since it uses as much as digits as its factorization.
214288281937 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3096576, while the sum is 55.
The spelling of 214288281937 in words is "two hundred fourteen billion, two hundred eighty-eight million, two hundred eighty-one thousand, nine hundred thirty-seven".
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