Base | Representation |
---|---|
bin | 10010101100100111101… |
… | …00000110000101000110 |
3 | 2021102020001110010022002 |
4 | 21112103310012011012 |
5 | 41011144042043441 |
6 | 1211043413105302 |
7 | 64262005122530 |
oct | 11262364060506 |
9 | 2242201403262 |
10 | 642430034246 |
11 | 2284a9008300 |
12 | a4610628232 |
13 | 487722b3150 |
14 | 2314548c850 |
15 | 11a9ed5eb9b |
hex | 9593d06146 |
642430034246 has 96 divisors (see below), whose sum is σ = 1315188753984. Its totient is φ = 228998246400.
The previous prime is 642430034227. The next prime is 642430034293.
642430034246 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 2359406 + ... + 2617566.
It is an arithmetic number, because the mean of its divisors is an integer number (13699882854).
Almost surely, 2642430034246 is an apocalyptic number.
642430034246 is an abundant number, since it is smaller than the sum of its proper divisors (672758719738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
642430034246 is a wasteful number, since it uses less digits than its factorization.
642430034246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258318 (or 258307 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 38.
It can be divided in two parts, 6424300 and 34246, that added together give a palindrome (6458546).
The spelling of 642430034246 in words is "six hundred forty-two billion, four hundred thirty million, thirty-four thousand, two hundred forty-six".
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