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2105600416 = 251711334253
BaseRepresentation
bin111110110000000…
…1110100110100000
312102202001120202121
41331200032212200
513303013203131
6544534154024
7103115210503
oct17540164640
95382046677
102105600416
11990613837
124a91b2914
132772cc00a
1415d90713a
15c4cc1911
hex7d80e9a0

2105600416 has 48 divisors (see below), whose sum is σ = 4428220104. Its totient is φ = 982073344.

The previous prime is 2105600401. The next prime is 2105600417. The reversal of 2105600416 is 6140065012.

It can be written as a sum of positive squares in 4 ways, for example, as 1155728016 + 949872400 = 33996^2 + 30820^2 .

It is a super-2 number, since 2×21056004162 = 8867106223718746112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105600417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44346 + ... + 78598.

Almost surely, 22105600416 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 2105600416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214110052).

2105600416 is an abundant number, since it is smaller than the sum of its proper divisors (2322619688).

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

2105600416 is a wasteful number, since it uses less digits than its factorization.

2105600416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34393 (or 34385 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2105600416 is about 45886.8218119320. The cubic root of 2105600416 is about 1281.7165316682.

Adding to 2105600416 its reverse (6140065012), we get a palindrome (8245665428).

The spelling of 2105600416 in words is "two billion, one hundred five million, six hundred thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 17 32 34 68 113 136 226 272 452 544 904 1808 1921 3616 3842 7684 15368 30736 34253 61472 68506 137012 274024 548048 582301 1096096 1164602 2329204 3870589 4658408 7741178 9316816 15482356 18633632 30964712 61929424 65800013 123858848 131600026 263200052 526400104 1052800208 2105600416