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42215241115020 = 22354795872502329
BaseRepresentation
bin10011001100101000000000…
…11100110110010110001100
312112110201220201220102002110
421212110000130312112030
521013123303211140040
6225441225233224020
711614644012613341
oct1146240034662614
9175421821812073
1042215241115020
11124a6424073386
12489971aa02010
131a72b5991854c
14a5d32b2b67c8
154d31ae20e980
hex26650073658c

42215241115020 has 96 divisors (see below), whose sum is σ = 118651280025600. Its totient is φ = 11214753462784.

The previous prime is 42215241114971. The next prime is 42215241115109. The reversal of 42215241115020 is 2051114251224.

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

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, 15619216 + ... + 18121544.

It is an arithmetic number, because the mean of its divisors is an integer number (1235950833600).

Almost surely, 242215241115020 is an apocalyptic number.

It is an amenable number.

42215241115020 is an abundant number, since it is smaller than the sum of its proper divisors (76436038910580).

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

42215241115020 is a wasteful number, since it uses less digits than its factorization.

42215241115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503407 (or 2503405 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 42215241115020 its reverse (2051114251224), we get a palindrome (44266355366244).

The spelling of 42215241115020 in words is "forty-two trillion, two hundred fifteen billion, two hundred forty-one million, one hundred fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 479 587 958 1174 1437 1761 1916 2348 2395 2874 2935 3522 4790 5748 5870 7044 7185 8805 9580 11740 14370 17610 28740 35220 281173 562346 843519 1124692 1405865 1687038 2502329 2811730 3374076 4217595 5004658 5623460 7506987 8435190 10009316 12511645 15013974 16870380 25023290 30027948 37534935 50046580 75069870 150139740 1198615591 1468867123 2397231182 2937734246 3595846773 4406601369 4794462364 5875468492 5993077955 7191693546 7344335615 8813202738 11986155910 14383387092 14688671230 17626405476 17979233865 22033006845 23972311820 29377342460 35958467730 44066013690 71916935460 88132027380 703587351917 1407174703834 2110762055751 2814349407668 3517936759585 4221524111502 7035873519170 8443048223004 10553810278755 14071747038340 21107620557510 42215241115020