Base | Representation |
---|---|
bin | 10001000101111110… |
… | …011011001010110110 |
3 | 1202101010000202110211 |
4 | 101011332123022312 |
5 | 300042042030202 |
6 | 12233122540034 |
7 | 1216553150500 |
oct | 210576331266 |
9 | 52333022424 |
10 | 18353861302 |
11 | 7869304717 |
12 | 368280761a |
13 | 196663917a |
14 | c61820d70 |
15 | 7264a61d7 |
hex | 445f9b2b6 |
18353861302 has 48 divisors (see below), whose sum is σ = 33244369920. Its totient is φ = 7569450000.
The previous prime is 18353861291. The next prime is 18353861303. The reversal of 18353861302 is 20316835381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18353861303) by changing a digit.
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, 526927 + ... + 560677.
It is an arithmetic number, because the mean of its divisors is an integer number (692591040).
Almost surely, 218353861302 is an apocalyptic number.
18353861302 is a deficient number, since it is larger than the sum of its proper divisors (14890508618).
18353861302 is a wasteful number, since it uses less digits than its factorization.
18353861302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33977 (or 33970 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 18353861302 in words is "eighteen billion, three hundred fifty-three million, eight hundred sixty-one thousand, three hundred two".
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