Base | Representation |
---|---|
bin | 100011000110111010100100… |
… | …1010101000001101101011010 |
3 | 1111111102022001220010122221011 |
4 | 1012031311021111001231122 |
5 | 310434100400443022430 |
6 | 3012443013201404134 |
7 | 122022023501612140 |
oct | 10615651125015532 |
9 | 1444368056118834 |
10 | 308813673798490 |
11 | 8a441164115663 |
12 | 2a7761aa63964a |
13 | 10341009b11663 |
14 | 563893947d590 |
15 | 25a7e4426222a |
hex | 118dd49541b5a |
308813673798490 has 64 divisors (see below), whose sum is σ = 637452633807360. Its totient is φ = 105515854168320.
The previous prime is 308813673798449. The next prime is 308813673798517. The reversal of 308813673798490 is 94897376318803.
It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2039254096 + ... + 2039405524.
It is an arithmetic number, because the mean of its divisors is an integer number (9960197403240).
Almost surely, 2308813673798490 is an apocalyptic number.
308813673798490 is an abundant number, since it is smaller than the sum of its proper divisors (328638960008870).
308813673798490 is a wasteful number, since it uses less digits than its factorization.
308813673798490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251167.
The product of its (nonzero) digits is 1316818944, while the sum is 76.
The spelling of 308813673798490 in words is "three hundred eight trillion, eight hundred thirteen billion, six hundred seventy-three million, seven hundred ninety-eight thousand, four hundred ninety".
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