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2140240030 = 251371562219
BaseRepresentation
bin111111110010001…
…0111100010011110
312112011020110101021
41333210113202132
513340400140110
6552212434354
7104015511565
oct17744274236
95464213337
102140240030
119a9123015
124b89189ba
13281539a26
14164362bdc
15c7d652da
hex7f91789e

2140240030 has 16 divisors (see below), whose sum is σ = 3880554480. Its totient is φ = 849846592.

The previous prime is 2140240021. The next prime is 2140240079. The reversal of 2140240030 is 300420412.

It is a junction number, because it is equal to n+sod(n) for n = 2140239986 and 2140240013.

It is a congruent number.

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, 779740 + ... + 782479.

It is an arithmetic number, because the mean of its divisors is an integer number (242534655).

Almost surely, 22140240030 is an apocalyptic number.

2140240030 is a deficient number, since it is larger than the sum of its proper divisors (1740314450).

2140240030 is a wasteful number, since it uses less digits than its factorization.

2140240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562363.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2140240030 is about 46262.7283025980. The cubic root of 2140240030 is about 1288.7069209212.

Adding to 2140240030 its reverse (300420412), we get a palindrome (2440660442).

The spelling of 2140240030 in words is "two billion, one hundred forty million, two hundred forty thousand, thirty".

Divisors: 1 2 5 10 137 274 685 1370 1562219 3124438 7811095 15622190 214024003 428048006 1070120015 2140240030