Base | Representation |
---|---|
bin | 1000101001001011… |
… | …1100101100110111 |
3 | 12222200220112122100 |
4 | 2022102330230313 |
5 | 14222434114111 |
6 | 1022122233143 |
7 | 111332366430 |
oct | 21222745467 |
9 | 5880815570 |
10 | 2320223031 |
11 | a907839a5 |
12 | 5490557b3 |
13 | 2ac905c49 |
14 | 180214487 |
15 | d8a68756 |
hex | 8a4bcb37 |
2320223031 has 24 divisors (see below), whose sum is σ = 3836072864. Its totient is φ = 1323812160.
The previous prime is 2320222999. The next prime is 2320223041. The reversal of 2320223031 is 1303220232.
It is a happy number.
It is not a de Polignac number, because 2320223031 - 25 = 2320222999 is a prime.
It is a super-2 number, since 2×23202230312 = 10766869827165653922, 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 = 2320222995 and 2320223013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2320223041) 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 23 ways as a sum of consecutive naturals, for example, 13785 + ... + 69501.
Almost surely, 22320223031 is an apocalyptic number.
2320223031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2320223031 is a deficient number, since it is larger than the sum of its proper divisors (1515849833).
2320223031 is a wasteful number, since it uses less digits than its factorization.
2320223031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56391 (or 56388 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2320223031 is about 48168.6934740813. The cubic root of 2320223031 is about 1323.8636096775.
Adding to 2320223031 its reverse (1303220232), we get a palindrome (3623443263).
The spelling of 2320223031 in words is "two billion, three hundred twenty million, two hundred twenty-three thousand, thirty-one".
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