Search a number
-
+
801495305850 = 235283457140869
BaseRepresentation
bin10111010100111001101…
…01111100111001111010
32211121210120211010222210
423222130311330321322
5101112430244241400
61412111333555550
7111622541456211
oct13523465747172
92747716733883
10801495305850
11289a04229158
1210b4031a5bb6
135a7719b7135
142ab14ba6078
1515cae710950
hexba9cd7ce7a

801495305850 has 96 divisors (see below), whose sum is σ = 2016072838080. Its totient is φ = 210693450240.

The previous prime is 801495305827. The next prime is 801495305881. The reversal of 801495305850 is 58503594108.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 801495305850.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5619216 + ... + 5760084.

It is an arithmetic number, because the mean of its divisors is an integer number (21000758730).

Almost surely, 2801495305850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801495305850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008036419040).

801495305850 is an abundant number, since it is smaller than the sum of its proper divisors (1214577532230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801495305850 is a wasteful number, since it uses less digits than its factorization.

801495305850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141424 (or 141419 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

Adding to 801495305850 its reverse (58503594108), we get a palindrome (859998899958).

The spelling of 801495305850 in words is "eight hundred one billion, four hundred ninety-five million, three hundred five thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 83 150 166 249 415 457 498 830 914 1245 1371 2075 2285 2490 2742 4150 4570 6225 6855 11425 12450 13710 22850 34275 37931 68550 75862 113793 140869 189655 227586 281738 379310 422607 568965 704345 845214 948275 1137930 1408690 1896550 2113035 2844825 3521725 4226070 5689650 7043450 10565175 11692127 21130350 23384254 35076381 58460635 64377133 70152762 116921270 128754266 175381905 193131399 292303175 321885665 350763810 386262798 584606350 643771330 876909525 965656995 1609428325 1753819050 1931313990 3218856650 4828284975 5343302039 9656569950 10686604078 16029906117 26716510195 32059812234 53433020390 80149530585 133582550975 160299061170 267165101950 400747652925 801495305850