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2140321430 = 251316464011
BaseRepresentation
bin111111110010010…
…1011011010010110
312112011101121001002
41333210223122112
513340410241210
6552214303302
7104016301112
oct17744533226
95464347032
102140321430
119a9179195
124b8957b32
13281567ab0
14164384742
15c7d7e4a5
hex7f92b696

2140321430 has 16 divisors (see below), whose sum is σ = 4148931024. Its totient is φ = 790272480.

The previous prime is 2140321429. The next prime is 2140321439. The reversal of 2140321430 is 341230412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140321439) 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 7 ways as a sum of consecutive naturals, for example, 8231876 + ... + 8232135.

It is an arithmetic number, because the mean of its divisors is an integer number (259308189).

Almost surely, 22140321430 is an apocalyptic number.

2140321430 is a deficient number, since it is larger than the sum of its proper divisors (2008609594).

2140321430 is a wasteful number, since it uses less digits than its factorization.

2140321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464031.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2140321430 is about 46263.6080521180. The cubic root of 2140321430 is about 1288.7232585612.

Adding to 2140321430 its reverse (341230412), we get a palindrome (2481551842).

The spelling of 2140321430 in words is "two billion, one hundred forty million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 16464011 32928022 82320055 164640110 214032143 428064286 1070160715 2140321430