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2140042130 = 25239795923
BaseRepresentation
bin111111110001110…
…0111001110010010
312112010212101220122
41333203213032102
513340322322010
6552204310242
7104014025612
oct17743471622
95463771818
102140042130
119a8aa8366
124b8842382
1328149a925
14164310a42
15c7d26855
hex7f8e7392

2140042130 has 32 divisors (see below), whose sum is σ = 4061038464. Its totient is φ = 810349056.

The previous prime is 2140042129. The next prime is 2140042133. The reversal of 2140042130 is 312400412.

It is a junction number, because it is equal to n+sod(n) for n = 2140042099 and 2140042108.

It is not an unprimeable number, because it can be changed into a prime (2140042133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25652 + ... + 70271.

It is an arithmetic number, because the mean of its divisors is an integer number (126907452).

Almost surely, 22140042130 is an apocalyptic number.

2140042130 is a deficient number, since it is larger than the sum of its proper divisors (1920996334).

2140042130 is a wasteful number, since it uses less digits than its factorization.

2140042130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96050.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2140042130 is about 46260.5893823241. The cubic root of 2140042130 is about 1288.6671990587.

Adding to 2140042130 its reverse (312400412), we get a palindrome (2452442542).

The spelling of 2140042130 in words is "two billion, one hundred forty million, forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 97 115 194 230 485 970 2231 4462 11155 22310 95923 191846 479615 959230 2206229 4412458 9304531 11031145 18609062 22062290 46522655 93045310 214004213 428008426 1070021065 2140042130