Base | Representation |
---|---|
bin | 10110111010100000… |
… | …11010011101101111 |
3 | 1011202100101110020212 |
4 | 23131100122131233 |
5 | 200143303031111 |
6 | 5352414333035 |
7 | 613566202064 |
oct | 133520323557 |
9 | 34670343225 |
10 | 12302002031 |
11 | 5243183230 |
12 | 2473aba17b |
13 | 12108b3957 |
14 | 849b92c6b |
15 | 4c002798b |
hex | 2dd41a76f |
12302002031 has 16 divisors (see below), whose sum is σ = 13658112000. Its totient is φ = 10985803200.
The previous prime is 12302002003. The next prime is 12302002051. The reversal of 12302002031 is 13020020321.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12302002031 - 230 = 11228260207 is a prime.
It is a super-2 number, since 2×123020020312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12302001997 and 12302002015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12302002051) 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, 954770 + ... + 967568.
It is an arithmetic number, because the mean of its divisors is an integer number (853632000).
Almost surely, 212302002031 is an apocalyptic number.
12302002031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12302002031 is a deficient number, since it is larger than the sum of its proper divisors (1356109969).
12302002031 is a wasteful number, since it uses less digits than its factorization.
12302002031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14350.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 12302002031 its reverse (13020020321), we get a palindrome (25322022352).
It can be divided in two parts, 1 and 2302002031, that added together give a palindrome (2302002032).
The spelling of 12302002031 in words is "twelve billion, three hundred two million, two thousand, thirty-one".
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