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20112357360 = 24352310933427
BaseRepresentation
bin10010101110110010…
…100011011111110000
31220220122221121120110
4102232302203133300
5312142230413420
613123421341320
71311255134244
oct225662433760
956818847513
1020112357360
1185909a0847
123a93707840
131b86a56c94
14d8b1b2424
157caa61ee0
hex4aeca37f0

20112357360 has 160 divisors (see below), whose sum is σ = 65657940480. Its totient is φ = 5082891264.

The previous prime is 20112357347. The next prime is 20112357371. The reversal of 20112357360 is 6375321102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 584967 + ... + 618393.

It is an arithmetic number, because the mean of its divisors is an integer number (410362128).

Almost surely, 220112357360 is an apocalyptic number.

20112357360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112357360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32828970240).

20112357360 is an abundant number, since it is smaller than the sum of its proper divisors (45545583120).

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

20112357360 is a wasteful number, since it uses less digits than its factorization.

20112357360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33575 (or 33569 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 20112357360 its reverse (6375321102), we get a palindrome (26487678462).

The spelling of 20112357360 in words is "twenty billion, one hundred twelve million, three hundred fifty-seven thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 109 115 120 138 184 218 230 240 276 327 345 368 436 460 545 552 654 690 872 920 1090 1104 1308 1380 1635 1744 1840 2180 2507 2616 2760 3270 4360 5014 5232 5520 6540 7521 8720 10028 12535 13080 15042 20056 25070 26160 30084 33427 37605 40112 50140 60168 66854 75210 100280 100281 120336 133708 150420 167135 200560 200562 267416 300840 334270 401124 501405 534832 601680 668540 768821 802248 1002810 1337080 1537642 1604496 2005620 2306463 2674160 3075284 3643543 3844105 4011240 4612926 6150568 7287086 7688210 8022480 9225852 10930629 11532315 12301136 14574172 15376420 18217715 18451704 21861258 23064630 29148344 30752840 36435430 36903408 43722516 46129260 54653145 58296688 61505680 72870860 83801489 87445032 92258520 109306290 145741720 167602978 174890064 184517040 218612580 251404467 291483440 335205956 419007445 437225160 502808934 670411912 838014890 874450320 1005617868 1257022335 1340823824 1676029780 2011235736 2514044670 3352059560 4022471472 5028089340 6704119120 10056178680 20112357360