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2143231350 = 2352131957847
BaseRepresentation
bin111111110111111…
…0001110101110110
312112100212102200220
41333233301311312
513342131400400
6552400515210
7104053110621
oct17757616566
95470772626
102143231350
119aa886487
124b991bb06
13282046440
14164900db8
15c82567a0
hex7fbf1d76

2143231350 has 96 divisors (see below), whose sum is σ = 6025447680. Its totient is φ = 499789440.

The previous prime is 2143231291. The next prime is 2143231367. The reversal of 2143231350 is 531323412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143231350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8127 + ... + 65973.

It is an arithmetic number, because the mean of its divisors is an integer number (62765080).

Almost surely, 22143231350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143231350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3012723840).

2143231350 is an abundant number, since it is smaller than the sum of its proper divisors (3882216330).

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

2143231350 is a wasteful number, since it uses less digits than its factorization.

2143231350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57894 (or 57889 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2143231350 is about 46295.0467112844. The cubic root of 2143231350 is about 1289.3070312154.

Adding to 2143231350 its reverse (531323412), we get a palindrome (2674554762).

The spelling of 2143231350 in words is "two billion, one hundred forty-three million, two hundred thirty-one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 19 25 26 30 38 39 50 57 65 75 78 95 114 130 150 190 195 247 285 325 390 475 494 570 650 741 950 975 1235 1425 1482 1950 2470 2850 3705 6175 7410 12350 18525 37050 57847 115694 173541 289235 347082 578470 752011 867705 1099093 1446175 1504022 1735410 2198186 2256033 2892350 3297279 3760055 4338525 4512066 5495465 6594558 7520110 8677050 10990930 11280165 14288209 16486395 18800275 22560330 27477325 28576418 32972790 37600550 42864627 54954650 56400825 71441045 82431975 85729254 112801650 142882090 164863950 214323135 357205225 428646270 714410450 1071615675 2143231350