Base | Representation |
---|---|
bin | 1110001000101111011… |
… | …1010101111101101110 |
3 | 212012212122210112122020 |
4 | 3202023313111331232 |
5 | 12434341331200421 |
6 | 303323121331010 |
7 | 23355261653340 |
oct | 3421367257556 |
9 | 765778715566 |
10 | 242864709486 |
11 | 93aa8884943 |
12 | 3b09aa96a66 |
13 | 19b95a373b9 |
14 | ba7cd19290 |
15 | 64b66c8dc6 |
hex | 388bdd5f6e |
242864709486 has 32 divisors (see below), whose sum is σ = 555325728768. Its totient is φ = 69364117920.
The previous prime is 242864709467. The next prime is 242864709487. The reversal of 242864709486 is 684907468242.
It is a happy number.
It is a super-2 number, since 2×2428647094862 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242864709487) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960510 + ... + 1186721.
It is an arithmetic number, because the mean of its divisors is an integer number (17353929024).
Almost surely, 2242864709486 is an apocalyptic number.
242864709486 is an abundant number, since it is smaller than the sum of its proper divisors (312461019282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242864709486 is a wasteful number, since it uses less digits than its factorization.
242864709486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2149936.
The product of its (nonzero) digits is 37158912, while the sum is 60.
The spelling of 242864709486 in words is "two hundred forty-two billion, eight hundred sixty-four million, seven hundred nine thousand, four hundred eighty-six".
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