Base | Representation |
---|---|
bin | 11101000110001100… |
… | …011101110111001010 |
3 | 2222122100011121110020 |
4 | 131012030131313022 |
5 | 1002441031203414 |
6 | 22204054001310 |
7 | 2154134252151 |
oct | 350614356712 |
9 | 88570147406 |
10 | 31242444234 |
11 | 122825aa851 |
12 | 607b046236 |
13 | 2c3b8ca7c1 |
14 | 1725466598 |
15 | c2cc4a7a9 |
hex | 74631ddca |
31242444234 has 8 divisors (see below), whose sum is σ = 62484888480. Its totient is φ = 10414148076.
The previous prime is 31242444223. The next prime is 31242444241. The reversal of 31242444234 is 43244424213.
It is a sphenic number, since it is the product of 3 distinct primes.
31242444234 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 31242444195 and 31242444204.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603537014 + ... + 2603537025.
It is an arithmetic number, because the mean of its divisors is an integer number (7810611060).
Almost surely, 231242444234 is an apocalyptic number.
31242444234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31242444234 is a wasteful number, since it uses less digits than its factorization.
31242444234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5207074044.
The product of its digits is 73728, while the sum is 33.
Adding to 31242444234 its reverse (43244424213), we get a palindrome (74486868447).
The spelling of 31242444234 in words is "thirty-one billion, two hundred forty-two million, four hundred forty-four thousand, two hundred thirty-four".
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