Base | Representation |
---|---|
bin | 111101010000100… |
… | …0111000110011011 |
3 | 12022020210020011120 |
4 | 1322201013012123 |
5 | 13202202001222 |
6 | 535544300323 |
7 | 101636314626 |
oct | 17241070633 |
9 | 5266706146 |
10 | 2055500187 |
11 | 965304794 |
12 | 4944716a3 |
13 | 269b0a100 |
14 | 156dc4dbd |
15 | c06c715c |
hex | 7a84719b |
2055500187 has 48 divisors (see below), whose sum is σ = 3029267808. Its totient is φ = 1239014400.
The previous prime is 2055500173. The next prime is 2055500203. The reversal of 2055500187 is 7810055502.
It is a happy number.
It is not a de Polignac number, because 2055500187 - 27 = 2055500059 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2055500987) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7015213 + ... + 7015505.
It is an arithmetic number, because the mean of its divisors is an integer number (63109746).
Almost surely, 22055500187 is an apocalyptic number.
2055500187 is a deficient number, since it is larger than the sum of its proper divisors (973767621).
2055500187 is a wasteful number, since it uses less digits than its factorization.
2055500187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560 (or 547 counting only the distinct ones).
The product of its (nonzero) digits is 14000, while the sum is 33.
The square root of 2055500187 is about 45337.6244084315. The cubic root of 2055500187 is about 1271.4691879829.
Adding to 2055500187 its reverse (7810055502), we get a palindrome (9865555689).
The spelling of 2055500187 in words is "two billion, fifty-five million, five hundred thousand, one hundred eighty-seven".
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