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2130440343 = 323193159979
BaseRepresentation
bin111111011111011…
…1111000010010111
312111110210120201220
41332332333002113
513330343042333
6551222421423
7103536305223
oct17676770227
95443716656
102130440343
119a363a3a9
124b5591873
1327c4b83b5
14162d31783
15c707b8b3
hex7efbf097

2130440343 has 16 divisors (see below), whose sum is σ = 2979467520. Its totient is φ = 1351494144.

The previous prime is 2130440309. The next prime is 2130440359. The reversal of 2130440343 is 3430440312.

It is a de Polignac number, because none of the positive numbers 2k-2130440343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130440383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66673 + ... + 93306.

It is an arithmetic number, because the mean of its divisors is an integer number (186216720).

Almost surely, 22130440343 is an apocalyptic number.

2130440343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2130440343 is a deficient number, since it is larger than the sum of its proper divisors (849027177).

2130440343 is a wasteful number, since it uses less digits than its factorization.

2130440343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160198.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2130440343 is about 46156.6933716010. The cubic root of 2130440343 is about 1286.7370096833.

Adding to 2130440343 its reverse (3430440312), we get a palindrome (5560880655).

The spelling of 2130440343 in words is "two billion, one hundred thirty million, four hundred forty thousand, three hundred forty-three".

Divisors: 1 3 23 69 193 579 4439 13317 159979 479937 3679517 11038551 30875947 92627841 710146781 2130440343