Base | Representation |
---|---|
bin | 1100101110110111001… |
… | …0010000100101001000 |
3 | 202220121012122111200122 |
4 | 3023231302100211020 |
5 | 12040433330140404 |
6 | 244253044522412 |
7 | 21542345053622 |
oct | 3135562204510 |
9 | 686535574618 |
10 | 218737740104 |
11 | 8484782a724 |
12 | 364869b0408 |
13 | 1781c343b60 |
14 | a8308abc12 |
15 | 5a534a73be |
hex | 32edc90948 |
218737740104 has 32 divisors (see below), whose sum is σ = 441940779000. Its totient is φ = 100896724992.
The previous prime is 218737740101. The next prime is 218737740131. The reversal of 218737740104 is 401047737812.
It can be written as a sum of positive squares in 4 ways, for example, as 183442603204 + 35295136900 = 428302^2 + 187870^2 .
It is not an unprimeable number, because it can be changed into a prime (218737740101) 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 7 ways as a sum of consecutive naturals, for example, 437609 + ... + 793080.
Almost surely, 2218737740104 is an apocalyptic number.
It is an amenable number.
218737740104 is an abundant number, since it is smaller than the sum of its proper divisors (223203038896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218737740104 is a wasteful number, since it uses less digits than its factorization.
218737740104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1232417 (or 1232413 counting only the distinct ones).
The product of its (nonzero) digits is 263424, while the sum is 44.
The spelling of 218737740104 in words is "two hundred eighteen billion, seven hundred thirty-seven million, seven hundred forty thousand, one hundred four".
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