Base | Representation |
---|---|
bin | 11101001100100111… |
… | …111111110010011110 |
3 | 2222220212011111012021 |
4 | 131030213333302132 |
5 | 1003201140340012 |
6 | 22222510130354 |
7 | 2156614234426 |
oct | 351447776236 |
9 | 88825144167 |
10 | 31350324382 |
11 | 123284937a3 |
12 | 60ab1b09ba |
13 | 2c58070000 |
14 | 1735909486 |
15 | c3745a007 |
hex | 74c9ffc9e |
31350324382 has 20 divisors (see below), whose sum is σ = 50944232736. Its totient is φ = 14469354120.
The previous prime is 31350324367. The next prime is 31350324389. The reversal of 31350324382 is 28342305313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31350324389) 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 in 9 ways as a sum of consecutive naturals, for example, 217294 + ... + 331537.
Almost surely, 231350324382 is an apocalyptic number.
31350324382 is a deficient number, since it is larger than the sum of its proper divisors (19593908354).
31350324382 is an frugal number, since it uses more digits than its factorization.
31350324382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 548885 (or 548846 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 34.
Adding to 31350324382 its reverse (28342305313), we get a palindrome (59692629695).
The spelling of 31350324382 in words is "thirty-one billion, three hundred fifty million, three hundred twenty-four thousand, three hundred eighty-two".
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