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20013030120000 = 26354166775251
BaseRepresentation
bin1001000110011101001011…
…00011010001101001000000
32121212020010110221011222210
410203032211203101221000
510110343141202320000
6110321505322502120
74133615354144631
oct443164543215100
977766113834883
1020013030120000
116416529845055
1222b27ab364940
13b222b39a0208
144d28c89c7888
1524a8b8c87350
hex1233a58d1a40

20013030120000 has 140 divisors (see below), whose sum is σ = 66167747680496. Its totient is φ = 5336808000000.

The previous prime is 20013030119987. The next prime is 20013030120019. The reversal of 20013030120000 is 2103031002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83267626 + ... + 83507625.

Almost surely, 220013030120000 is an apocalyptic number.

20013030120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013030120000 is an abundant number, since it is smaller than the sum of its proper divisors (46154717560496).

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

20013030120000 is an equidigital number, since it uses as much as digits as its factorization.

20013030120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166775286 (or 166775261 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20013030120000 its reverse (2103031002), we get a palindrome (20015133151002).

The spelling of 20013030120000 in words is "twenty trillion, thirteen billion, thirty million, one hundred twenty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 625 750 800 960 1000 1200 1250 1500 1600 1875 2000 2400 2500 3000 3750 4000 4800 5000 6000 7500 8000 10000 12000 15000 20000 24000 30000 40000 60000 120000 166775251 333550502 500325753 667101004 833876255 1000651506 1334202008 1667752510 2001303012 2501628765 2668404016 3335505020 4002606024 4169381275 5003257530 5336808032 6671010040 8005212048 8338762550 10006515060 10673616064 12508143825 13342020080 16010424096 16677525100 20013030120 20846906375 25016287650 26684040160 32020848192 33355050200 40026060240 41693812750 50032575300 53368080320 62540719125 66710100400 80052120480 83387625500 100065150600 104234531875 125081438250 133420200800 160104240960 166775251000 200130301200 208469063750 250162876500 266840401600 312703595625 333550502000 400260602400 416938127500 500325753000 625407191250 667101004000 800521204800 833876255000 1000651506000 1250814382500 1334202008000 1667752510000 2001303012000 2501628765000 3335505020000 4002606024000 5003257530000 6671010040000 10006515060000 20013030120000