Base | Representation |
---|---|
bin | 10111110110111… |
… | …10111011111011 |
3 | 111221121022000102 |
4 | 23323132323323 |
5 | 402214030322 |
6 | 31505430015 |
7 | 4650120041 |
oct | 1373367373 |
9 | 457538012 |
10 | 200142587 |
11 | a2a800a7 |
12 | 5703b30b |
13 | 32607188 |
14 | 1c81c391 |
15 | 12886792 |
hex | bedeefb |
200142587 has 2 divisors, whose sum is σ = 200142588. Its totient is φ = 200142586.
The previous prime is 200142571. The next prime is 200142623. The reversal of 200142587 is 785241002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 200142587 - 24 = 200142571 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (200142517) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071293 + 100071294.
It is an arithmetic number, because the mean of its divisors is an integer number (100071294).
Almost surely, 2200142587 is an apocalyptic number.
200142587 is a deficient number, since it is larger than the sum of its proper divisors (1).
200142587 is an equidigital number, since it uses as much as digits as its factorization.
200142587 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 200142587 is about 14147.1759372675. The cubic root of 200142587 is about 584.9424902679.
Adding to 200142587 its reverse (785241002), we get a palindrome (985383589).
The spelling of 200142587 in words is "two hundred million, one hundred forty-two thousand, five hundred eighty-seven".
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