Base | Representation |
---|---|
bin | 1100011111111011101… |
… | …0011111110111111111 |
3 | 202112020220122121002200 |
4 | 3013332322133313333 |
5 | 12004231404122104 |
6 | 242351244122543 |
7 | 21341133055656 |
oct | 3077672376777 |
9 | 675226577080 |
10 | 214730145279 |
11 | 83080629391 |
12 | 35748836453 |
13 | 17330c93580 |
14 | a57053c19d |
15 | 58bb731b39 |
hex | 31fee9fdff |
214730145279 has 24 divisors (see below), whose sum is σ = 348547486560. Its totient is φ = 126396338112.
The previous prime is 214730145277. The next prime is 214730145299. The reversal of 214730145279 is 972541037412.
It is not a de Polignac number, because 214730145279 - 21 = 214730145277 is a prime.
It is a super-2 number, since 2×2147301452792 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214730145277) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39895144 + ... + 39900525.
It is an arithmetic number, because the mean of its divisors is an integer number (14522811940).
Almost surely, 2214730145279 is an apocalyptic number.
214730145279 is a deficient number, since it is larger than the sum of its proper divisors (133817341281).
214730145279 is a wasteful number, since it uses less digits than its factorization.
214730145279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79795711 (or 79795708 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 214730145279 in words is "two hundred fourteen billion, seven hundred thirty million, one hundred forty-five thousand, two hundred seventy-nine".
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