Base | Representation |
---|---|
bin | 11101000101101100… |
… | …011010010110011100 |
3 | 2222121202100200201101 |
4 | 131011230122112130 |
5 | 1002431403304434 |
6 | 22203153522444 |
7 | 2154002653510 |
oct | 350554322634 |
9 | 88552320641 |
10 | 31234041244 |
11 | 1227889052a |
12 | 6078273424 |
13 | 2c39c47b13 |
14 | 17242ba140 |
15 | c2c13ab14 |
hex | 745b1a59c |
31234041244 has 24 divisors (see below), whose sum is σ = 63991696608. Its totient is φ = 13059528960.
The previous prime is 31234041221. The next prime is 31234041253. The reversal of 31234041244 is 44214043213.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13602529 + ... + 13604824.
It is an arithmetic number, because the mean of its divisors is an integer number (2666320692).
Almost surely, 231234041244 is an apocalyptic number.
It is an amenable number.
31234041244 is an abundant number, since it is smaller than the sum of its proper divisors (32757655364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31234041244 is a wasteful number, since it uses less digits than its factorization.
31234041244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27207405 (or 27207403 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 31234041244 its reverse (44214043213), we get a palindrome (75448084457).
The spelling of 31234041244 in words is "thirty-one billion, two hundred thirty-four million, forty-one thousand, two hundred forty-four".
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