Search a number
-
+
30021201130230 = 23251734014808339
BaseRepresentation
bin1101101001101110110110…
…00001110111001011110110
310221021222222010100202122200
412310313123001313023312
512413331404442131410
6143503314401005330
76215650231126422
oct664673301671366
9127258863322580
1030021201130230
119624a13428a92
12344a387623846
131399caa91591b
1475b068db7b82
15370dc12053c0
hex1b4ddb0772f6

30021201130230 has 96 divisors (see below), whose sum is σ = 78702101318880. Its totient is φ = 7939527705600.

The previous prime is 30021201130171. The next prime is 30021201130279. The reversal of 30021201130230 is 3203110212003.

30021201130230 is a `hidden beast` number, since 300 + 2 + 1 + 2 + 0 + 1 + 130 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 3839401 + ... + 8647739.

It is an arithmetic number, because the mean of its divisors is an integer number (819813555405).

Almost surely, 230021201130230 is an apocalyptic number.

30021201130230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30021201130230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39351050659440).

30021201130230 is an abundant number, since it is smaller than the sum of its proper divisors (48680900188650).

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

30021201130230 is a wasteful number, since it uses less digits than its factorization.

30021201130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808926 (or 4808923 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30021201130230 its reverse (3203110212003), we get a palindrome (33224311342233).

The spelling of 30021201130230 in words is "thirty trillion, twenty-one billion, two hundred one million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 173 346 401 519 802 865 1038 1203 1557 1730 2005 2406 2595 3114 3609 4010 5190 6015 7218 7785 12030 15570 18045 36090 69373 138746 208119 346865 416238 624357 693730 1040595 1248714 2081190 3121785 4808339 6243570 9616678 14425017 24041695 28850034 43275051 48083390 72125085 86550102 144250170 216375255 432750510 831842647 1663685294 1928143939 2495527941 3856287878 4159213235 4991055882 5784431817 7486583823 8318426470 9640719695 11568863634 12477639705 14973167646 17353295451 19281439390 24955279410 28922159085 34706590902 37432919115 57844318170 74865838230 86766477255 173532954510 333568901447 667137802894 1000706704341 1667844507235 2001413408682 3002120113023 3335689014470 5003533521705 6004240226046 10007067043410 15010600565115 30021201130230