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210143231123320 = 235111300336729851
BaseRepresentation
bin101111110001111111001000…
…101001001001111101111000
31000120001111102002111021002001
4233301333020221021331320
5210020441314131421240
62022534245002350344
762156230111306045
oct5761771051117570
91016044362437061
10210143231123320
1160a5a275601260
121b69b1baabb3b4
139034563524281
1439c6db554c1cc
1519464936ed89a
hexbf1fc8a49f78

210143231123320 has 64 divisors (see below), whose sum is σ = 515845795040640. Its totient is φ = 76409841552000.

The previous prime is 210143231123269. The next prime is 210143231123333. The reversal of 210143231123320 is 23321132341012.

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, 12643606 + ... + 24086245.

It is an arithmetic number, because the mean of its divisors is an integer number (8060090547510).

Almost surely, 2210143231123320 is an apocalyptic number.

210143231123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210143231123320 is an abundant number, since it is smaller than the sum of its proper divisors (305702563917320).

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

210143231123320 is a wasteful number, since it uses less digits than its factorization.

210143231123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36742876 (or 36742872 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 210143231123320 its reverse (23321132341012), we get a palindrome (233464363464332).

The spelling of 210143231123320 in words is "two hundred ten trillion, one hundred forty-three billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 13003 26006 52012 65015 104024 130030 143033 260060 286066 520120 572132 715165 1144264 1430330 2860660 5721320 36729851 73459702 146919404 183649255 293838808 367298510 404028361 734597020 808056722 1469194040 1616113444 2020141805 3232226888 4040283610 8080567220 16161134440 477598252553 955196505106 1910393010212 2387991262765 3820786020424 4775982525530 5253580778083 9551965051060 10507161556166 19103930102120 21014323112332 26267903890415 42028646224664 52535807780830 105071615561660 210143231123320