Search a number
-
+
2113200204220 = 225731916212983
BaseRepresentation
bin11110110000000100100…
…011000010100110111100
321111000112120000001020101
4132300010203002212330
5234110313223013340
64254442450130444
7305450033236000
oct36600443024674
97430476001211
102113200204220
11745226473776
122a1676580a24
13124373a71a31
14743caab2700
1539e81013c9a
hex1ec048c29bc

2113200204220 has 96 divisors (see below), whose sum is σ = 5447562624000. Its totient is φ = 686392805952.

The previous prime is 2113200204197. The next prime is 2113200204223. The reversal of 2113200204220 is 224020023112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113200204223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7976152 + ... + 8236831.

It is an arithmetic number, because the mean of its divisors is an integer number (56745444000).

Almost surely, 22113200204220 is an apocalyptic number.

2113200204220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113200204220 is an abundant number, since it is smaller than the sum of its proper divisors (3334362419780).

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

2113200204220 is a wasteful number, since it uses less digits than its factorization.

2113200204220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16213032 (or 16213016 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2113200204220 its reverse (224020023112), we get a palindrome (2337220227332).

The spelling of 2113200204220 in words is "two trillion, one hundred thirteen billion, two hundred million, two hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 343 380 490 532 665 686 931 980 1330 1372 1715 1862 2660 3430 3724 4655 6517 6860 9310 13034 18620 26068 32585 65170 130340 16212983 32425966 64851932 81064915 113490881 162129830 226981762 308046677 324259660 453963524 567454405 616093354 794436167 1134908810 1232186708 1540233385 1588872334 2156326739 2269817620 3080466770 3177744668 3972180835 4312653478 5561053169 6160933540 7944361670 8625306956 10781633695 11122106338 15094287173 15888723340 21563267390 22244212676 27805265845 30188574346 43126534780 55610531690 60377148692 75471435865 105660010211 111221063380 150942871730 211320020422 301885743460 422640040844 528300051055 1056600102110 2113200204220