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1442313143200 = 255217486121817
BaseRepresentation
bin10100111111010000100…
…100000000001110100000
312002212212021122011220201
4110333100210000032200
5142112324131040300
63022331200114544
7206126602302406
oct24772044001640
95085767564821
101442313143200
11506755194026
121b3643905a54
13a6017c83a07
144db460a7476
15277b7c6266a
hex14fd09003a0

1442313143200 has 144 divisors (see below), whose sum is σ = 3729105243864. Its totient is φ = 542851891200.

The previous prime is 1442313143191. The next prime is 1442313143207. The reversal of 1442313143200 is 23413132441.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 652198377744 + 790114765456 = 807588^2 + 888884^2 .

It is not an unprimeable number, because it can be changed into a prime (1442313143207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66098692 + ... + 66120508.

Almost surely, 21442313143200 is an apocalyptic number.

1442313143200 is a gapful number since it is divisible by the number (10) 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 1442313143200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864552621932).

1442313143200 is an abundant number, since it is smaller than the sum of its proper divisors (2286792100664).

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

1442313143200 is a wasteful number, since it uses less digits than its factorization.

1442313143200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26715 (or 26702 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1442313143200 its reverse (23413132441), we get a palindrome (1465726275641).

The spelling of 1442313143200 in words is "one trillion, four hundred forty-two billion, three hundred thirteen million, one hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1360 1700 2720 3400 4861 6800 9722 13600 19444 21817 24305 38888 43634 48610 77776 82637 87268 97220 109085 121525 155552 165274 174536 194440 218170 243050 330548 349072 370889 388880 413185 436340 486100 545425 661096 698144 741778 777760 826370 872680 972200 1090850 1322192 1483556 1652740 1745360 1854445 1944400 2065925 2181700 2644384 2967112 3305480 3490720 3708890 3888800 4131850 4363400 5934224 6610960 7417780 8263700 8726800 9272225 11868448 13221920 14835560 16527400 17453600 18544450 29671120 33054800 37088900 59342240 66109600 74177800 106052437 148355600 212104874 296711200 424209748 530262185 848419496 1060524370 1696838992 1802891429 2121048740 2651310925 3393677984 3605782858 4242097480 5302621850 7211565716 8484194960 9014457145 10605243700 14423131432 16968389920 18028914290 21210487400 28846262864 36057828580 42420974800 45072285725 57692525728 72115657160 84841949600 90144571450 144231314320 180289142900 288462628640 360578285800 721156571600 1442313143200