Base | Representation |
---|---|
bin | 100111001001111101… |
… | …110100010100001000 |
3 | 11000112001120100112100 |
4 | 213021331310110020 |
5 | 1142101020144034 |
6 | 31151522113400 |
7 | 3015603501240 |
oct | 471175642410 |
9 | 130461510470 |
10 | 42043131144 |
11 | 16915284783 |
12 | 81941ab860 |
13 | 3c7044b6c1 |
14 | 206ba92b20 |
15 | 1161069099 |
hex | 9c9f74508 |
42043131144 has 96 divisors (see below), whose sum is σ = 136982664000. Its totient is φ = 11380093056.
The previous prime is 42043131139. The next prime is 42043131149. The reversal of 42043131144 is 44113134024.
42043131144 is a `hidden beast` number, since 4 + 204 + 313 + 1 + 144 = 666.
It is an interprime number because it is at equal distance from previous prime (42043131139) and next prime (42043131149).
It is not an unprimeable number, because it can be changed into a prime (42043131149) 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 23 ways as a sum of consecutive naturals, for example, 2185659 + ... + 2204810.
It is an arithmetic number, because the mean of its divisors is an integer number (1426902750).
Almost surely, 242043131144 is an apocalyptic number.
It is an amenable number.
42043131144 is an abundant number, since it is smaller than the sum of its proper divisors (94939532856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42043131144 is a wasteful number, since it uses less digits than its factorization.
42043131144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4390507 (or 4390500 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 42043131144 its reverse (44113134024), we get a palindrome (86156265168).
The spelling of 42043131144 in words is "forty-two billion, forty-three million, one hundred thirty-one thousand, one hundred forty-four".
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