Base | Representation |
---|---|
bin | 11101001100011100… |
… | …111001000110101000 |
3 | 2222220122200121002201 |
4 | 131030130321012220 |
5 | 1003144414212131 |
6 | 22222323505544 |
7 | 2156550421564 |
oct | 351434710650 |
9 | 88818617081 |
10 | 31347413416 |
11 | 12326885740 |
12 | 60aa2282b4 |
13 | 2c57591047 |
14 | 173538c6a4 |
15 | c37082761 |
hex | 74c7391a8 |
31347413416 has 32 divisors (see below), whose sum is σ = 67494434400. Its totient is φ = 13498885440.
The previous prime is 31347413411. The next prime is 31347413417. The reversal of 31347413416 is 61431474313.
It is not an unprimeable number, because it can be changed into a prime (31347413411) 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 7 ways as a sum of consecutive naturals, for example, 9372555 + ... + 9375898.
It is an arithmetic number, because the mean of its divisors is an integer number (2109201075).
Almost surely, 231347413416 is an apocalyptic number.
It is an amenable number.
31347413416 is an abundant number, since it is smaller than the sum of its proper divisors (36147020984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31347413416 is a wasteful number, since it uses less digits than its factorization.
31347413416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18748489 (or 18748485 counting only the distinct ones).
The product of its digits is 72576, while the sum is 37.
Adding to 31347413416 its reverse (61431474313), we get a palindrome (92778887729).
The spelling of 31347413416 in words is "thirty-one billion, three hundred forty-seven million, four hundred thirteen thousand, four hundred sixteen".
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