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23230221401000 = 2353433471556881
BaseRepresentation
bin1010100100000101101010…
…00110000011101110101000
310001020210021001220201001102
411102002311012003232220
511021100443134313000
6121223452201140532
74615220353631555
oct522026506035650
9101223231821042
1023230221401000
117446977408879
12273220a18a748
13cc67a63361b3
145a44c4c33a2c
152a4410d0d3d5
hex1520b5183ba8

23230221401000 has 128 divisors (see below), whose sum is σ = 55783206610560. Its totient is φ = 9049832064000.

The previous prime is 23230221400973. The next prime is 23230221401011. The reversal of 23230221401000 is 10412203232.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 14142560 + ... + 15699440.

It is an arithmetic number, because the mean of its divisors is an integer number (435806301645).

Almost surely, 223230221401000 is an apocalyptic number.

23230221401000 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 23230221401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27891603305280).

23230221401000 is an abundant number, since it is smaller than the sum of its proper divisors (32552985209560).

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

23230221401000 is a wasteful number, since it uses less digits than its factorization.

23230221401000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557292 (or 1557278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23230221401000 its reverse (10412203232), we get a palindrome (23240633604232).

The spelling of 23230221401000 in words is "twenty-three trillion, two hundred thirty billion, two hundred twenty-one million, four hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 125 172 200 215 250 344 347 430 500 694 860 1000 1075 1388 1720 1735 2150 2776 3470 4300 5375 6940 8600 8675 10750 13880 14921 17350 21500 29842 34700 43000 43375 59684 69400 74605 86750 119368 149210 173500 298420 347000 373025 596840 746050 1492100 1556881 1865125 2984200 3113762 3730250 6227524 7460500 7784405 12455048 14921000 15568810 31137620 38922025 62275240 66945883 77844050 133891766 155688100 194610125 267783532 311376200 334729415 389220250 535567064 540237707 669458830 778440500 1080475414 1338917660 1556881000 1673647075 2160950828 2677835320 2701188535 3347294150 4321901656 5402377070 6694588300 8368235375 10804754140 13389176600 13505942675 16736470750 21609508280 23230221401 27011885350 33472941500 46460442802 54023770700 66945883000 67529713375 92920885604 108047541400 116151107005 135059426750 185841771208 232302214010 270118853500 464604428020 540237707000 580755535025 929208856040 1161511070050 2323022140100 2903777675125 4646044280200 5807555350250 11615110700500 23230221401000