Base | Representation |
---|---|
bin | 1110001010010111110… |
… | …1000101001010001011 |
3 | 212021000011102121010122 |
4 | 3202211331011022023 |
5 | 12441240404434011 |
6 | 303434355133455 |
7 | 23402155312520 |
oct | 3424575051213 |
9 | 767004377118 |
10 | 243302421131 |
11 | 94202968100 |
12 | 3b1a15a428b |
13 | 19c35620a83 |
14 | bac10d9147 |
15 | 64ded3b3db |
hex | 38a5f4528b |
243302421131 has 24 divisors (see below), whose sum is σ = 306048244992. Its totient is φ = 189330649200.
The previous prime is 243302421127. The next prime is 243302421133. The reversal of 243302421131 is 131124203342.
243302421131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 243302421131 - 22 = 243302421127 is a prime.
It is a super-2 number, since 2×2433024211312 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 243302421131.
It is not an unprimeable number, because it can be changed into a prime (243302421133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436016 + ... + 822626.
It is an arithmetic number, because the mean of its divisors is an integer number (12752010208).
Almost surely, 2243302421131 is an apocalyptic number.
243302421131 is a deficient number, since it is larger than the sum of its proper divisors (62745823861).
243302421131 is a wasteful number, since it uses less digits than its factorization.
243302421131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 387383 (or 387372 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 243302421131 its reverse (131124203342), we get a palindrome (374426624473).
The spelling of 243302421131 in words is "two hundred forty-three billion, three hundred two million, four hundred twenty-one thousand, one hundred thirty-one".
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