Search a number
-
+
782000465444 = 2211441325681
BaseRepresentation
bin10110110000100101101…
…11000010011000100100
32202202110221211122102122
423120102313002120210
5100303014104343234
61355125051525112
7110332462165622
oct13302267023044
92682427748378
10782000465444
1128170a970000
12107682459798
1358985b7cc03
1429bc5a1a512
151551cecb92e
hexb612dc2624

782000465444 has 60 divisors (see below), whose sum is σ = 1542061931340. Its totient is φ = 346784064000.

The previous prime is 782000465383. The next prime is 782000465447. The reversal of 782000465444 is 444564000287.

It can be written as a sum of positive squares in 2 ways, for example, as 105000625444 + 676999840000 = 324038^2 + 822800^2 .

It is a super-2 number, since 2×7820004654442 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 782000465395 and 782000465404.

It is not an unprimeable number, because it can be changed into a prime (782000465447) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2238284 + ... + 2563964.

It is an arithmetic number, because the mean of its divisors is an integer number (25701032189).

Almost surely, 2782000465444 is an apocalyptic number.

It is an amenable number.

782000465444 is a deficient number, since it is larger than the sum of its proper divisors (760061465896).

782000465444 is a wasteful number, since it uses less digits than its factorization.

782000465444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325770 (or 325735 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 782000465444 in words is "seven hundred eighty-two billion, four hundred sixty-five thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 41 44 82 121 164 242 451 484 902 1331 1804 2662 4961 5324 9922 14641 19844 29282 54571 58564 109142 218284 325681 600281 651362 1200562 1302724 2401124 3582491 7164982 13352921 14329964 26705842 39407401 53411684 78814802 146882131 157629604 293764262 433481411 587528524 866962822 1615703441 1733925644 3231406882 4768295521 6462813764 9536591042 17772737851 19073182084 35545475702 71090951404 195500116361 391000232722 782000465444