Base | Representation |
---|---|
bin | 111110100101100… |
… | …0011100010000111 |
3 | 12102100121121002200 |
4 | 1331023003202013 |
5 | 13300103100210 |
6 | 544215205543 |
7 | 103020062625 |
oct | 17513034207 |
9 | 5370547080 |
10 | 2100050055 |
11 | 988472764 |
12 | 4a73768b3 |
13 | 27610788c |
14 | 15cca0515 |
15 | c45770c0 |
hex | 7d2c3887 |
2100050055 has 24 divisors (see below), whose sum is σ = 3663284352. Its totient is φ = 1112889024.
The previous prime is 2100050047. The next prime is 2100050083. The reversal of 2100050055 is 5500500012.
It is not a de Polignac number, because 2100050055 - 23 = 2100050047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141559 + ... + 155688.
It is an arithmetic number, because the mean of its divisors is an integer number (152636848).
Almost surely, 22100050055 is an apocalyptic number.
2100050055 is a deficient number, since it is larger than the sum of its proper divisors (1563234297).
2100050055 is a wasteful number, since it uses less digits than its factorization.
2100050055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297415 (or 297412 counting only the distinct ones).
The product of its (nonzero) digits is 250, while the sum is 18.
The square root of 2100050055 is about 45826.3030911288. The cubic root of 2100050055 is about 1280.5893394130.
Adding to 2100050055 its reverse (5500500012), we get a palindrome (7600550067).
The spelling of 2100050055 in words is "two billion, one hundred million, fifty thousand, fifty-five".
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