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2106182656 = 21031431543
BaseRepresentation
bin111110110001001…
…1100110000000000
312102210011011110001
41331202130300000
513303140321111
6544554445344
7103123154134
oct17542346000
95383134401
102106182656
11990981226
124a9433854
13277474036
1415da193c4
15c4d891c1
hex7d89cc00

2106182656 has 88 divisors (see below), whose sum is σ = 4450079744. Its totient is φ = 994775040.

The previous prime is 2106182653. The next prime is 2106182671. The reversal of 2106182656 is 6562816012.

It is not an unprimeable number, because it can be changed into a prime (2106182653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364221 + ... + 1365763.

It is an arithmetic number, because the mean of its divisors is an integer number (50569088).

Almost surely, 22106182656 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 2106182656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225039872).

2106182656 is an abundant number, since it is smaller than the sum of its proper divisors (2343897088).

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

2106182656 is a wasteful number, since it uses less digits than its factorization.

2106182656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2106182656 is about 45893.1656785626. The cubic root of 2106182656 is about 1281.8346607384.

Adding to 2106182656 its reverse (6562816012), we get a palindrome (8668998668).

The spelling of 2106182656 in words is "two billion, one hundred six million, one hundred eighty-two thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 31 32 43 62 64 86 124 128 172 248 256 344 496 512 688 992 1024 1333 1376 1543 1984 2666 2752 3086 3968 5332 5504 6172 7936 10664 11008 12344 15872 21328 22016 24688 31744 42656 44032 47833 49376 66349 85312 95666 98752 132698 170624 191332 197504 265396 341248 382664 395008 530792 682496 765328 790016 1061584 1364992 1530656 1580032 2056819 2123168 3061312 4113638 4246336 6122624 8227276 8492672 12245248 16454552 16985344 24490496 32909104 33970688 48980992 65818208 67941376 131636416 263272832 526545664 1053091328 2106182656