Base | Representation |
---|---|
bin | 111100111110110… |
… | …111011101000111 |
3 | 2122022011112020020 |
4 | 330332313131013 |
5 | 4043404104111 |
6 | 245304510223 |
7 | 34232213553 |
oct | 7476673507 |
9 | 2568145206 |
10 | 1023113031 |
11 | 48557aa66 |
12 | 24677b373 |
13 | 133c70535 |
14 | 99c46863 |
15 | 5ec49906 |
hex | 3cfb7747 |
1023113031 has 8 divisors (see below), whose sum is σ = 1382838000. Its totient is φ = 672731712.
The previous prime is 1023113017. The next prime is 1023113059. The reversal of 1023113031 is 1303113201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1023113031 - 210 = 1023112007 is a prime.
It is a super-2 number, since 2×10231130312 = 2093520548404013922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1023113031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023113831) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335656 + ... + 2336093.
It is an arithmetic number, because the mean of its divisors is an integer number (172854750).
Almost surely, 21023113031 is an apocalyptic number.
1023113031 is a deficient number, since it is larger than the sum of its proper divisors (359724969).
1023113031 is an equidigital number, since it uses as much as digits as its factorization.
1023113031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4671825.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1023113031 is about 31986.1381069988. The cubic root of 1023113031 is about 1007.6457373835.
Adding to 1023113031 its reverse (1303113201), we get a palindrome (2326226232).
The spelling of 1023113031 in words is "one billion, twenty-three million, one hundred thirteen thousand, thirty-one".
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