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2105241760 = 25541615261
BaseRepresentation
bin111110101111011…
…0111000010100000
312102201101100210001
41331132313002200
513302420214020
6544522345344
7103112155036
oct17536670240
95381340701
102105241760
11990399326
124a905b254
132772049ab
1415d852556
15c4c5050a
hex7d7b70a0

2105241760 has 96 divisors (see below), whose sum is σ = 5179449744. Its totient is φ = 807936000.

The previous prime is 2105241703. The next prime is 2105241793. The reversal of 2105241760 is 671425012.

It can be written as a sum of positive squares in 8 ways, for example, as 137077264 + 1968164496 = 11708^2 + 44364^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397530 + ... + 402790.

Almost surely, 22105241760 is an apocalyptic number.

2105241760 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 2105241760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2589724872).

2105241760 is an abundant number, since it is smaller than the sum of its proper divisors (3074207984).

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

2105241760 is a wasteful number, since it uses less digits than its factorization.

2105241760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2105241760 is about 45882.9135953679. The cubic root of 2105241760 is about 1281.6437541009.

Adding to 2105241760 its reverse (671425012), we get a palindrome (2776666772).

The spelling of 2105241760 in words is "two billion, one hundred five million, two hundred forty-one thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 61 80 82 122 160 164 205 244 305 328 410 488 610 656 820 976 1220 1312 1640 1952 2440 2501 3280 4880 5002 5261 6560 9760 10004 10522 12505 20008 21044 25010 26305 40016 42088 50020 52610 80032 84176 100040 105220 168352 200080 210440 215701 320921 400160 420880 431402 641842 841760 862804 1078505 1283684 1604605 1725608 2157010 2567368 3209210 3451216 4314020 5134736 6418420 6902432 8628040 10269472 12836840 13157761 17256080 25673680 26315522 34512160 51347360 52631044 65788805 105262088 131577610 210524176 263155220 421048352 526310440 1052620880 2105241760