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2101040886 = 23773685271
BaseRepresentation
bin111110100111011…
…0101011011110110
312102102110221021010
41331032311123312
513300331302021
6544252333050
7103031360430
oct17516653366
95372427233
102101040886
11988a8a12a
124a7774186
13276393879
1415d07b650
15c46c0976
hex7d3b56f6

2101040886 has 32 divisors (see below), whose sum is σ = 4868172288. Its totient is φ = 592073280.

The previous prime is 2101040867. The next prime is 2101040891. The reversal of 2101040886 is 6880401012.

It is a super-3 number, since 3×21010408863 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339570 + ... + 345701.

It is an arithmetic number, because the mean of its divisors is an integer number (152130384).

Almost surely, 22101040886 is an apocalyptic number.

2101040886 is an abundant number, since it is smaller than the sum of its proper divisors (2767131402).

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

2101040886 is a wasteful number, since it uses less digits than its factorization.

2101040886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685356.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2101040886 is about 45837.1125399495. The cubic root of 2101040886 is about 1280.7907073300.

Adding to 2101040886 its reverse (6880401012), we get a palindrome (8981441898).

The spelling of 2101040886 in words is "two billion, one hundred one million, forty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 685271 1370542 2055813 4111626 4796897 9593794 14390691 28781382 50024783 100049566 150074349 300148698 350173481 700346962 1050520443 2101040886