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431344042220 = 225713902926249
BaseRepresentation
bin1100100011011100001…
…10111100000011101100
31112020101002220200200102
412101232012330003230
524031343033322340
6530053503450232
743110051602210
oct6215606740354
91466332820612
10431344042220
11156a28515223
126b7202b6978
13318a22bbaa0
1416c3cd14940
15b348512215
hex646e1bc0ec

431344042220 has 96 divisors (see below), whose sum is σ = 1115024400000. Its totient is φ = 136492959744.

The previous prime is 431344042189. The next prime is 431344042223. The reversal of 431344042220 is 22240443134.

It is not an unprimeable number, because it can be changed into a prime (431344042223) 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 31 ways as a sum of consecutive naturals, for example, 16419656 + ... + 16445904.

It is an arithmetic number, because the mean of its divisors is an integer number (11614837500).

Almost surely, 2431344042220 is an apocalyptic number.

It is an amenable number.

431344042220 is an abundant number, since it is smaller than the sum of its proper divisors (683680357780).

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

431344042220 is a wasteful number, since it uses less digits than its factorization.

431344042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35307 (or 35305 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 431344042220 its reverse (22240443134), we get a palindrome (453584485354).

The spelling of 431344042220 in words is "four hundred thirty-one billion, three hundred forty-four million, forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 9029 18058 26249 36116 45145 52498 63203 90290 104996 117377 126406 131245 180580 183743 234754 252812 262490 316015 341237 367486 469508 524980 586885 632030 682474 734972 821639 918715 1173770 1264060 1364948 1643278 1706185 1837430 2347540 2388659 3286556 3412370 3674860 4108195 4777318 6824740 8216390 9554636 11943295 16432780 23886590 47773180 237002221 474004442 948008884 1185011105 1659015547 2370022210 3081028873 3318031094 4740044420 6162057746 6636062188 8295077735 12324115492 15405144365 16590155470 21567202111 30810288730 33180310940 43134404222 61620577460 86268808444 107836010555 215672021110 431344042220