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4945785780 = 22351318473433
BaseRepresentation
bin1001001101100101…
…01011001110110100
3110202200100221122010
410212302223032310
540112110121110
62134433204220
7233363325345
oct44662531664
913680327563
104945785780
112108849071
12b60400670
1360a859280
1434cbcc0cc
151de2e8020
hex126cab3b4

4945785780 has 96 divisors (see below), whose sum is σ = 14925867264. Its totient is φ = 1216410624.

The previous prime is 4945785763. The next prime is 4945785829. The reversal of 4945785780 is 875875494.

It is a self number, because there is not a number n which added to its sum of digits gives 4945785780.

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 31 ways as a sum of consecutive naturals, for example, 1438944 + ... + 1442376.

It is an arithmetic number, because the mean of its divisors is an integer number (155477784).

Almost surely, 24945785780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4945785780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7462933632).

4945785780 is an abundant number, since it is smaller than the sum of its proper divisors (9980081484).

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

4945785780 is a wasteful number, since it uses less digits than its factorization.

4945785780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The square root of 4945785780 is about 70326.2808628467. The cubic root of 4945785780 is about 1703.7731395289.

The spelling of 4945785780 in words is "four billion, nine hundred forty-five million, seven hundred eighty-five thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1847 3433 3694 5541 6866 7388 9235 10299 11082 13732 17165 18470 20598 22164 24011 27705 34330 36940 41196 44629 48022 51495 55410 68660 72033 89258 96044 102990 110820 120055 133887 144066 178516 205980 223145 240110 267774 288132 360165 446290 480220 535548 669435 720330 892580 1338870 1440660 2677740 6340751 12681502 19022253 25363004 31703755 38044506 63407510 76089012 82429763 95111265 126815020 164859526 190222530 247289289 329719052 380445060 412148815 494578578 824297630 989157156 1236446445 1648595260 2472892890 4945785780