Base | Representation |
---|---|
bin | 11101010001101000… |
… | …101111000100011100 |
3 | 10000010201101011220210 |
4 | 131101220233010130 |
5 | 1003334201412444 |
6 | 22235112212420 |
7 | 2161655012034 |
oct | 352150570434 |
9 | 100121334823 |
10 | 31434404124 |
11 | 123709a1092 |
12 | 611339a110 |
13 | 2c6c5cb336 |
14 | 1742b548c4 |
15 | c3ea177b9 |
hex | 751a2f11c |
31434404124 has 48 divisors (see below), whose sum is σ = 74102507136. Its totient is φ = 10370280000.
The previous prime is 31434404117. The next prime is 31434404171. The reversal of 31434404124 is 42140443413.
It is a junction number, because it is equal to n+sod(n) for n = 31434404091 and 31434404100.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 5391699 + ... + 5397525.
It is an arithmetic number, because the mean of its divisors is an integer number (1543802232).
Almost surely, 231434404124 is an apocalyptic number.
It is an amenable number.
31434404124 is an abundant number, since it is smaller than the sum of its proper divisors (42668103012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31434404124 is a wasteful number, since it uses less digits than its factorization.
31434404124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10386 (or 10384 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 30.
Adding to 31434404124 its reverse (42140443413), we get a palindrome (73574847537).
The spelling of 31434404124 in words is "thirty-one billion, four hundred thirty-four million, four hundred four thousand, one hundred twenty-four".
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