Search a number
-
+
213213203033120 = 25519115359454253
BaseRepresentation
bin110000011110101010010001…
…001110100110110000100000
31000221220222112201020211212222
4300132222101032212300200
5210421241114434024440
62033244443203010212
762624100635060153
oct6036522116466040
91027828481224788
10213213203033120
1161a33236723464
121bab6192369968
1391c7bc3714ba4
143a91807427c9a
15199b270d552b5
hexc1ea913a6c20

213213203033120 has 96 divisors (see below), whose sum is σ = 506387532349440. Its totient is φ = 84833050946560.

The previous prime is 213213203033099. The next prime is 213213203033137. The reversal of 213213203033120 is 21330302312312.

It is a self number, because there is not a number n which added to its sum of digits gives 213213203033120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469143914 + ... + 469598166.

It is an arithmetic number, because the mean of its divisors is an integer number (5274870128640).

Almost surely, 2213213203033120 is an apocalyptic number.

213213203033120 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 213213203033120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253193766174720).

213213203033120 is an abundant number, since it is smaller than the sum of its proper divisors (293174329316320).

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

213213203033120 is a wasteful number, since it uses less digits than its factorization.

213213203033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469818 (or 469810 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213213203033120 its reverse (21330302312312), we get a palindrome (234543505345432).

The spelling of 213213203033120 in words is "two hundred thirteen trillion, two hundred thirteen billion, two hundred three million, thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 191 382 764 955 1528 1910 3056 3820 6112 7640 15280 15359 30560 30718 61436 76795 122872 153590 245744 307180 454253 491488 614360 908506 1228720 1817012 2271265 2457440 2933569 3634024 4542530 5867138 7268048 9085060 11734276 14536096 14667845 18170120 23468552 29335690 36340240 46937104 58671380 72680480 86762323 93874208 117342760 173524646 234685520 347049292 433811615 469371040 694098584 867623230 1388197168 1735246460 2776394336 3470492920 6940985840 6976871827 13881971680 13953743654 27907487308 34884359135 55814974616 69768718270 111629949232 139537436540 223259898464 279074873080 558149746160 1116299492320 1332582518957 2665165037914 5330330075828 6662912594785 10660660151656 13325825189570 21321320303312 26651650379140 42642640606624 53303300758280 106606601516560 213213203033120