Base | Representation |
---|---|
bin | 1101110111001011… |
… | …11011100110010011 |
3 | 201012122220110220202 |
4 | 12323211323212103 |
5 | 110220204001011 |
6 | 3230253125415 |
7 | 352266040151 |
oct | 67345734623 |
9 | 21178813822 |
10 | 7442250131 |
11 | 3179a57748 |
12 | 153848986b |
13 | 917b1b304 |
14 | 50859c3d1 |
15 | 2d857623b |
hex | 1bb97b993 |
7442250131 has 2 divisors, whose sum is σ = 7442250132. Its totient is φ = 7442250130.
The previous prime is 7442250121. The next prime is 7442250169. The reversal of 7442250131 is 1310522447.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 7442250131 - 210 = 7442249107 is a prime.
It is a super-2 number, since 2×74422501312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7442250094 and 7442250103.
It is not a weakly prime, because it can be changed into another prime (7442250121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3721125065 + 3721125066.
It is an arithmetic number, because the mean of its divisors is an integer number (3721125066).
Almost surely, 27442250131 is an apocalyptic number.
7442250131 is a deficient number, since it is larger than the sum of its proper divisors (1).
7442250131 is an equidigital number, since it uses as much as digits as its factorization.
7442250131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 7442250131 is about 86268.4770411533. The cubic root of 7442250131 is about 1952.3968013141.
Adding to 7442250131 its reverse (1310522447), we get a palindrome (8752772578).
The spelling of 7442250131 in words is "seven billion, four hundred forty-two million, two hundred fifty thousand, one hundred thirty-one".
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