Base | Representation |
---|---|
bin | 11101000101101100… |
… | …011011000110110110 |
3 | 2222121202100211222010 |
4 | 131011230123012312 |
5 | 1002431403404332 |
6 | 22203153545050 |
7 | 2154002665524 |
oct | 350554330666 |
9 | 88552324863 |
10 | 31234044342 |
11 | 12278892896 |
12 | 6078275186 |
13 | 2c39c49357 |
14 | 17242bb314 |
15 | c2c13b9cc |
hex | 745b1b1b6 |
31234044342 has 48 divisors (see below), whose sum is σ = 66637370880. Its totient is φ = 9757786752.
The previous prime is 31234044337. The next prime is 31234044353. The reversal of 31234044342 is 24344043213.
It is a happy number.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 376743 + ... + 452109.
It is an arithmetic number, because the mean of its divisors is an integer number (1388278560).
Almost surely, 231234044342 is an apocalyptic number.
31234044342 is an abundant number, since it is smaller than the sum of its proper divisors (35403326538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31234044342 is a wasteful number, since it uses less digits than its factorization.
31234044342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75645 (or 75628 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 31234044342 its reverse (24344043213), we get a palindrome (55578087555).
The spelling of 31234044342 in words is "thirty-one billion, two hundred thirty-four million, forty-four thousand, three hundred forty-two".
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