Search a number
-
+
28201839300 = 22325246367679
BaseRepresentation
bin11010010000111101…
…011110101011000100
32200210102201212121200
4122100331132223010
5430224132324200
620542235142500
72015603451555
oct322075365304
980712655550
1028201839300
1110a62226308
1255708a4a30
13287599a29b
1415176d032c
15b00d35800
hex690f5eac4

28201839300 has 108 divisors (see below), whose sum is σ = 88589329920. Its totient is φ = 7504136640.

The previous prime is 28201839269. The next prime is 28201839307. The reversal of 28201839300 is 393810282.

It is a happy number.

It is a super-3 number, since 3×282018393003 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28201839307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 382861 + ... + 450539.

Almost surely, 228201839300 is an apocalyptic number.

28201839300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28201839300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44294664960).

28201839300 is an abundant number, since it is smaller than the sum of its proper divisors (60387490620).

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

28201839300 is a wasteful number, since it uses less digits than its factorization.

28201839300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68162 (or 68152 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 28201839300 in words is "twenty-eight billion, two hundred one million, eight hundred thirty-nine thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 463 900 926 1389 1852 2315 2778 4167 4630 5556 6945 8334 9260 11575 13890 16668 20835 23150 27780 34725 41670 46300 67679 69450 83340 104175 135358 138900 203037 208350 270716 338395 406074 416700 609111 676790 812148 1015185 1218222 1353580 1691975 2030370 2436444 3045555 3383950 4060740 5075925 6091110 6767900 10151850 12182220 15227775 20303700 30455550 31335377 60911100 62670754 94006131 125341508 156676885 188012262 282018393 313353770 376024524 470030655 564036786 626707540 783384425 940061310 1128073572 1410091965 1566768850 1880122620 2350153275 2820183930 3133537700 4700306550 5640367860 7050459825 9400613100 14100919650 28201839300