Base | Representation |
---|---|
bin | 111100010010010… |
… | …001101111100111 |
3 | 2121111011200012201 |
4 | 330102101233213 |
5 | 4032411033411 |
6 | 244210155331 |
7 | 34030651456 |
oct | 7422215747 |
9 | 2544150181 |
10 | 1011424231 |
11 | 479a16aa4 |
12 | 242882b47 |
13 | 13170a09c |
14 | 98482b9d |
15 | 5dbdb3c1 |
hex | 3c491be7 |
1011424231 has 4 divisors (see below), whose sum is σ = 1070919792. Its totient is φ = 951928672.
The previous prime is 1011424217. The next prime is 1011424237. The reversal of 1011424231 is 1324241101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324241101 = 7561 ⋅175141.
It is a cyclic number.
It is not a de Polignac number, because 1011424231 - 223 = 1003035623 is a prime.
It is a super-2 number, since 2×10114242312 = 2045957950107882722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1011424199 and 1011424208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1011424237) 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 3 ways as a sum of consecutive naturals, for example, 29747755 + ... + 29747788.
It is an arithmetic number, because the mean of its divisors is an integer number (267729948).
Almost surely, 21011424231 is an apocalyptic number.
1011424231 is a deficient number, since it is larger than the sum of its proper divisors (59495561).
1011424231 is an equidigital number, since it uses as much as digits as its factorization.
1011424231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59495560.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1011424231 is about 31802.8965819153. The cubic root of 1011424231 is about 1003.7936668921.
Adding to 1011424231 its reverse (1324241101), we get a palindrome (2335665332).
The spelling of 1011424231 in words is "one billion, eleven million, four hundred twenty-four thousand, two hundred thirty-one".
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