Base | Representation |
---|---|
bin | 111101011110101… |
… | …000111011000000 |
3 | 2122212211200120201 |
4 | 331132220323000 |
5 | 4103022121422 |
6 | 250203214544 |
7 | 34363053601 |
oct | 7536507300 |
9 | 2585750521 |
10 | 1031442112 |
11 | 48a2497a8 |
12 | 249517454 |
13 | 1358c869c |
14 | 9adb3da8 |
15 | 60842727 |
hex | 3d7a8ec0 |
1031442112 has 28 divisors (see below), whose sum is σ = 2074815256. Its totient is φ = 508654080.
The previous prime is 1031442077. The next prime is 1031442121. The reversal of 1031442112 is 2112441301.
It is a self number, because there is not a number n which added to its sum of digits gives 1031442112.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105714 + ... + 115057.
Almost surely, 21031442112 is an apocalyptic number.
It is an amenable number.
1031442112 is an abundant number, since it is smaller than the sum of its proper divisors (1043373144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031442112 is an equidigital number, since it uses as much as digits as its factorization.
1031442112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220856 (or 220846 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1031442112 is about 32116.0724871520. The cubic root of 1031442112 is about 1010.3727382867.
Adding to 1031442112 its reverse (2112441301), we get a palindrome (3143883413).
The spelling of 1031442112 in words is "one billion, thirty-one million, four hundred forty-two thousand, one hundred twelve".
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