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231144424014 = 23710950490263
BaseRepresentation
bin1101011101000101001…
…0000000001001001110
3211002121212000100111010
43113101102000021032
512241340433032024
6254104123110050
722461655121010
oct3272122001116
9732555010433
10231144424014
118a0340019a9
1238969972326
1318a4881a33a
14b28a5101b0
15602c7abb29
hex35d148024e

231144424014 has 32 divisors (see below), whose sum is σ = 533177187840. Its totient is φ = 65435379552.

The previous prime is 231144423997. The next prime is 231144424081. The reversal of 231144424014 is 410424441132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25240554 + ... + 25249709.

It is an arithmetic number, because the mean of its divisors is an integer number (16661787120).

Almost surely, 2231144424014 is an apocalyptic number.

231144424014 is an abundant number, since it is smaller than the sum of its proper divisors (302032763826).

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

231144424014 is a wasteful number, since it uses less digits than its factorization.

231144424014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50490384.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 231144424014 its reverse (410424441132), we get a palindrome (641568865146).

The spelling of 231144424014 in words is "two hundred thirty-one billion, one hundred forty-four million, four hundred twenty-four thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 42 109 218 327 654 763 1526 2289 4578 50490263 100980526 151470789 302941578 353431841 706863682 1060295523 2120591046 5503438667 11006877334 16510316001 33020632002 38524070669 77048141338 115572212007 231144424014