Base | Representation |
---|---|
bin | 11100010101110101… |
… | …111110111101011100 |
3 | 2220112210202101002201 |
4 | 130111311332331130 |
5 | 444310344302444 |
6 | 21551355101244 |
7 | 2125054210231 |
oct | 342565767534 |
9 | 86483671081 |
10 | 30431244124 |
11 | 119a670a136 |
12 | 5a93441824 |
13 | 2b3c825a38 |
14 | 1689823788 |
15 | bd190edd4 |
hex | 715d7ef5c |
30431244124 has 6 divisors (see below), whose sum is σ = 53254677224. Its totient is φ = 15215622060.
The previous prime is 30431244121. The next prime is 30431244127. The reversal of 30431244124 is 42144213403.
It is an interprime number because it is at equal distance from previous prime (30431244121) and next prime (30431244127).
It is a junction number, because it is equal to n+sod(n) for n = 30431244092 and 30431244101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30431244121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803905512 + ... + 3803905519.
Almost surely, 230431244124 is an apocalyptic number.
It is an amenable number.
30431244124 is a deficient number, since it is larger than the sum of its proper divisors (22823433100).
30431244124 is a wasteful number, since it uses less digits than its factorization.
30431244124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7607811035 (or 7607811033 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 30431244124 its reverse (42144213403), we get a palindrome (72575457527).
The spelling of 30431244124 in words is "thirty billion, four hundred thirty-one million, two hundred forty-four thousand, one hundred twenty-four".
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