Base | Representation |
---|---|
bin | 1001100100000000011… |
… | …1101011001111101111 |
3 | 120201001021021212110111 |
4 | 2121000013223033233 |
5 | 10142423313324330 |
6 | 203245443120451 |
7 | 14604060206356 |
oct | 2310007531757 |
9 | 521037255414 |
10 | 164284511215 |
11 | 63744361920 |
12 | 27a0a673127 |
13 | 12651ac5166 |
14 | 7d4696899d |
15 | 4417bb232a |
hex | 26401eb3ef |
164284511215 has 32 divisors (see below), whose sum is σ = 216112458240. Its totient is φ = 118897680000.
The previous prime is 164284511203. The next prime is 164284511267. The reversal of 164284511215 is 512115482461.
It is not a de Polignac number, because 164284511215 - 211 = 164284509167 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17624326 + ... + 17633644.
It is an arithmetic number, because the mean of its divisors is an integer number (6753514320).
Almost surely, 2164284511215 is an apocalyptic number.
164284511215 is a deficient number, since it is larger than the sum of its proper divisors (51827947025).
164284511215 is a wasteful number, since it uses less digits than its factorization.
164284511215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10863.
The product of its digits is 76800, while the sum is 40.
Adding to 164284511215 its reverse (512115482461), we get a palindrome (676399993676).
The spelling of 164284511215 in words is "one hundred sixty-four billion, two hundred eighty-four million, five hundred eleven thousand, two hundred fifteen".
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