Base | Representation |
---|---|
bin | 11001011101011… |
… | …11100100010111 |
3 | 112212212222202102 |
4 | 30232233210113 |
5 | 414134030210 |
6 | 33105432315 |
7 | 5202254243 |
oct | 1456574427 |
9 | 485788672 |
10 | 213580055 |
11 | aa618947 |
12 | 5b63b69b |
13 | 35330540 |
14 | 20519423 |
15 | 13b3cea5 |
hex | cbaf917 |
213580055 has 16 divisors (see below), whose sum is σ = 279511680. Its totient is φ = 155720448.
The previous prime is 213580051. The next prime is 213580109. The reversal of 213580055 is 550085312.
It is not a de Polignac number, because 213580055 - 22 = 213580051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213580051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15662 + ... + 25931.
It is an arithmetic number, because the mean of its divisors is an integer number (17469480).
Almost surely, 2213580055 is an apocalyptic number.
213580055 is a deficient number, since it is larger than the sum of its proper divisors (65931625).
213580055 is a wasteful number, since it uses less digits than its factorization.
213580055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41690.
The product of its (nonzero) digits is 6000, while the sum is 29.
The square root of 213580055 is about 14614.3783651581. The cubic root of 213580055 is about 597.7508898924.
The spelling of 213580055 in words is "two hundred thirteen million, five hundred eighty thousand, fifty-five".
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