Search a number
-
+
13210200420 = 22352317355333
BaseRepresentation
bin11000100110110001…
…11010100101100100
31021002122022201020020
430103120322211210
5204023302403140
610022500235140
7645234564564
oct142330724544
937078281206
1013210200420
1156698a510a
12268809bab0
131326abab51
148d4644da4
15524b236d0
hex31363a964

13210200420 has 96 divisors (see below), whose sum is σ = 38820563712. Its totient is φ = 3350020608.

The previous prime is 13210200349. The next prime is 13210200439. The reversal of 13210200420 is 2400201231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13210200420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211074 + ... + 266406.

It is an arithmetic number, because the mean of its divisors is an integer number (404380872).

Almost surely, 213210200420 is an apocalyptic number.

13210200420 is a gapful number since it is divisible by the number (10) 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 13210200420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19410281856).

13210200420 is an abundant number, since it is smaller than the sum of its proper divisors (25610363292).

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

13210200420 is a wasteful number, since it uses less digits than its factorization.

13210200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55541 (or 55539 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 13210200420 its reverse (2400201231), we get a palindrome (15610401651).

The spelling of 13210200420 in words is "thirteen billion, two hundred ten million, two hundred thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 173 230 276 345 346 460 519 690 692 865 1038 1380 1730 2076 2595 3460 3979 5190 7958 10380 11937 15916 19895 23874 39790 47748 55333 59685 79580 110666 119370 165999 221332 238740 276665 331998 553330 663996 829995 1106660 1272659 1659990 2545318 3319980 3817977 5090636 6363295 7635954 9572609 12726590 15271908 19089885 19145218 25453180 28717827 38179770 38290436 47863045 57435654 76359540 95726090 114871308 143589135 191452180 220170007 287178270 440340014 574356540 660510021 880680028 1100850035 1321020042 2201700070 2642040084 3302550105 4403400140 6605100210 13210200420