Base | Representation |
---|---|
bin | 1001010101100011… |
… | …0111010001010111 |
3 | 20110200002101211221 |
4 | 2111120313101113 |
5 | 20113104314111 |
6 | 1052411111211 |
7 | 116052252142 |
oct | 22530672127 |
9 | 6420071757 |
10 | 2506323031 |
11 | 1076832653 |
12 | 59b442507 |
13 | 30c3344a4 |
14 | 19ac19059 |
15 | ea079371 |
hex | 95637457 |
2506323031 has 4 divisors (see below), whose sum is σ = 2510452672. Its totient is φ = 2502193392.
The previous prime is 2506322993. The next prime is 2506323097. The reversal of 2506323031 is 1303236052.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2506323031 - 211 = 2506320983 is a prime.
It is a super-2 number, since 2×25063230312 = 12563310271442053922, 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 = 2506322987 and 2506323005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2506323331) 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, 2063910 + ... + 2065123.
It is an arithmetic number, because the mean of its divisors is an integer number (627613168).
Almost surely, 22506323031 is an apocalyptic number.
2506323031 is a deficient number, since it is larger than the sum of its proper divisors (4129641).
2506323031 is an equidigital number, since it uses as much as digits as its factorization.
2506323031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4129640.
The product of its (nonzero) digits is 3240, while the sum is 25.
The square root of 2506323031 is about 50063.1903797591. The cubic root of 2506323031 is about 1358.3520681053.
Adding to 2506323031 its reverse (1303236052), we get a palindrome (3809559083).
The spelling of 2506323031 in words is "two billion, five hundred six million, three hundred twenty-three thousand, thirty-one".
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