Base | Representation |
---|---|
bin | 111100111110011… |
… | …100100111111011 |
3 | 2122021221221110212 |
4 | 330332130213323 |
5 | 4043342100011 |
6 | 245302301335 |
7 | 34231245263 |
oct | 7476344773 |
9 | 2567857425 |
10 | 1023003131 |
11 | 485505437 |
12 | 24672784b |
13 | 133c324c7 |
14 | 99c187a3 |
15 | 5ec2708b |
hex | 3cf9c9fb |
1023003131 has 16 divisors (see below), whose sum is σ = 1108144128. Its totient is φ = 941608800.
The previous prime is 1023003127. The next prime is 1023003143. The reversal of 1023003131 is 1313003201.
It is a cyclic number.
It is not a de Polignac number, because 1023003131 - 22 = 1023003127 is a prime.
It is a super-2 number, since 2×10230031312 = 2093070812071606322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1023003151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125090 + ... + 133016.
It is an arithmetic number, because the mean of its divisors is an integer number (69259008).
Almost surely, 21023003131 is an apocalyptic number.
1023003131 is a deficient number, since it is larger than the sum of its proper divisors (85140997).
1023003131 is a wasteful number, since it uses less digits than its factorization.
1023003131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8162.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1023003131 is about 31984.4201291816. The cubic root of 1023003131 is about 1007.6096565763.
Adding to 1023003131 its reverse (1313003201), we get a palindrome (2336006332).
The spelling of 1023003131 in words is "one billion, twenty-three million, three thousand, one hundred thirty-one".
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