Base | Representation |
---|---|
bin | 101000101101110000… |
… | …1010100011110111011 |
3 | 22100200111000102011121 |
4 | 1101123201110132323 |
5 | 2413031302312402 |
6 | 104100023210111 |
7 | 6213500412265 |
oct | 1213341243673 |
9 | 270614012147 |
10 | 87434807227 |
11 | 3409873a869 |
12 | 14b418a6937 |
13 | 8325548431 |
14 | 433635ab35 |
15 | 241b074837 |
hex | 145b8547bb |
87434807227 has 4 divisors (see below), whose sum is σ = 87457802040. Its totient is φ = 87411812416.
The previous prime is 87434807137. The next prime is 87434807249. The reversal of 87434807227 is 72270843478.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87434807227 - 227 = 87300589499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87434817227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11491702 + ... + 11499307.
It is an arithmetic number, because the mean of its divisors is an integer number (21864450510).
Almost surely, 287434807227 is an apocalyptic number.
87434807227 is a deficient number, since it is larger than the sum of its proper divisors (22994813).
87434807227 is a wasteful number, since it uses less digits than its factorization.
87434807227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22994812.
The product of its (nonzero) digits is 4214784, while the sum is 52.
The spelling of 87434807227 in words is "eighty-seven billion, four hundred thirty-four million, eight hundred seven thousand, two hundred twenty-seven".
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