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2101044140 = 225138080939
BaseRepresentation
bin111110100111011…
…0110001110101100
312102102111002201122
41331032312032230
513300331403030
6544252400112
7103031403056
oct17516661654
95372432648
102101044140
11988a91618
124a7776038
132763951b0
1415d07c8d6
15c46c18e5
hex7d3b63ac

2101044140 has 24 divisors (see below), whose sum is σ = 4751592720. Its totient is φ = 775770048.

The previous prime is 2101044119. The next prime is 2101044151. The reversal of 2101044140 is 414401012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040210 + ... + 4040729.

It is an arithmetic number, because the mean of its divisors is an integer number (197983030).

Almost surely, 22101044140 is an apocalyptic number.

2101044140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101044140 is an abundant number, since it is smaller than the sum of its proper divisors (2650548580).

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

2101044140 is a wasteful number, since it uses less digits than its factorization.

2101044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080961 (or 8080959 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2101044140 is about 45837.1480351908. The cubic root of 2101044140 is about 1280.7913685404.

Adding to 2101044140 its reverse (414401012), we get a palindrome (2515445152).

The spelling of 2101044140 in words is "two billion, one hundred one million, forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8080939 16161878 32323756 40404695 80809390 105052207 161618780 210104414 420208828 525261035 1050522070 2101044140