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42143420000 = 255411191561
BaseRepresentation
bin100111001111111100…
…011000111001100000
311000210001021112222102
4213033330120321200
51142302203420000
631205503425532
73021232105463
oct471774307140
9130701245872
1042143420000
1116966953230
1282018b52a8
133c88163816
14207b11b2da
151169c793d5
hex9cff18e60

42143420000 has 120 divisors (see below), whose sum is σ = 113105101032. Its totient is φ = 15324800000.

The previous prime is 42143419999. The next prime is 42143420021. The reversal of 42143420000 is 2434124.

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

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 19 ways as a sum of consecutive naturals, for example, 124220 + ... + 315780.

Almost surely, 242143420000 is an apocalyptic number.

42143420000 is a gapful number since it is divisible by the number (40) 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 42143420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56552550516).

42143420000 is an abundant number, since it is smaller than the sum of its proper divisors (70961681032).

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

42143420000 is a wasteful number, since it uses less digits than its factorization.

42143420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191602 (or 191579 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42143420000 its reverse (2434124), we get a palindrome (42145854124).

The spelling of 42143420000 in words is "forty-two billion, one hundred forty-three million, four hundred twenty thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 125 160 176 200 220 250 275 352 400 440 500 550 625 800 880 1000 1100 1250 1375 1760 2000 2200 2500 2750 4000 4400 5000 5500 6875 8800 10000 11000 13750 20000 22000 27500 44000 55000 110000 191561 220000 383122 766244 957805 1532488 1915610 2107171 3064976 3831220 4214342 4789025 6129952 7662440 8428684 9578050 10535855 15324880 16857368 19156100 21071710 23945125 30649760 33714736 38312200 42143420 47890250 52679275 67429472 76624400 84286840 95780500 105358550 119725625 153248800 168573680 191561000 210717100 239451250 263396375 337147360 383122000 421434200 478902500 526792750 766244000 842868400 957805000 1053585500 1316981875 1685736800 1915610000 2107171000 2633963750 3831220000 4214342000 5267927500 8428684000 10535855000 21071710000 42143420000