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2113230204 = 2232537331511
BaseRepresentation
bin111110111110101…
…0101010101111100
312110021102012212100
41331331111111330
513311441331304
6545405505100
7103240106001
oct17575252574
95407365770
102113230204
11994955148
124ab872190
13278a70a97
141609318a8
15c57cc439
hex7df5557c

2113230204 has 72 divisors (see below), whose sum is σ = 5453596512. Its totient is φ = 689719680.

The previous prime is 2113230131. The next prime is 2113230221. The reversal of 2113230204 is 4020323112.

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 23 ways as a sum of consecutive naturals, for example, 1397809 + ... + 1399319.

It is an arithmetic number, because the mean of its divisors is an integer number (75744396).

Almost surely, 22113230204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113230204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726798256).

2113230204 is an abundant number, since it is smaller than the sum of its proper divisors (3340366308).

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

2113230204 is a wasteful number, since it uses less digits than its factorization.

2113230204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113230204 is about 45969.8836631114. The cubic root of 2113230204 is about 1283.2627948561.

Adding to 2113230204 its reverse (4020323112), we get a palindrome (6133553316).

The spelling of 2113230204 in words is "two billion, one hundred thirteen million, two hundred thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 733 954 1466 1511 1908 2199 2932 3022 4398 4533 6044 6597 8796 9066 13194 13599 18132 26388 27198 38849 54396 77698 80083 116547 155396 160166 233094 240249 320332 349641 466188 480498 699282 720747 960996 1107563 1398564 1441494 2215126 2882988 3322689 4430252 6645378 9968067 13290756 19936134 39872268 58700839 117401678 176102517 234803356 352205034 528307551 704410068 1056615102 2113230204