Base | Representation |
---|---|
bin | 1110001000110001010… |
… | …0010111100010000001 |
3 | 212012220012010002200001 |
4 | 3202030110113202001 |
5 | 12434400303134311 |
6 | 303323552400001 |
7 | 23355413433001 |
oct | 3421424274201 |
9 | 765805102601 |
10 | 242872318081 |
11 | 94002101338 |
12 | 3b0a1546001 |
13 | 19b9749c623 |
14 | ba7dd3a001 |
15 | 64b71cd4c1 |
hex | 388c517881 |
242872318081 has 8 divisors (see below), whose sum is σ = 246018636864. Its totient is φ = 239731241040.
The previous prime is 242872318061. The next prime is 242872318097. The reversal of 242872318081 is 180813278242.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 242872318081 - 211 = 242872316033 is a prime.
It is a super-2 number, since 2×2428723180812 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (242872318061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217125 + ... + 1402546.
It is an arithmetic number, because the mean of its divisors is an integer number (30752329608).
Almost surely, 2242872318081 is an apocalyptic number.
It is an amenable number.
242872318081 is a deficient number, since it is larger than the sum of its proper divisors (3146318783).
242872318081 is a wasteful number, since it uses less digits than its factorization.
242872318081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2620871.
The product of its (nonzero) digits is 344064, while the sum is 46.
The spelling of 242872318081 in words is "two hundred forty-two billion, eight hundred seventy-two million, three hundred eighteen thousand, eighty-one".
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