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420112101223412 = 2213239619266320507
BaseRepresentation
bin101111110000101101111100…
…0100011110010101111110100
32001002111022202122221210210222
41133201123320203302233310
5420031104040403122122
64045300500203233512
7154330045335435413
oct13741337043625764
92032438678853728
10420112101223412
111119515a5928014
123b150658818898
131505552a457340
1475a5769b7347a
15338812e7b6b42
hex17e16f88f2bf4

420112101223412 has 96 divisors (see below), whose sum is σ = 796684808908800. Its totient is φ = 192692884551552.

The previous prime is 420112101223379. The next prime is 420112101223417. The reversal of 420112101223412 is 214322101211024.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420112101223417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20486267663 + ... + 20486288169.

It is an arithmetic number, because the mean of its divisors is an integer number (8298800092800).

Almost surely, 2420112101223412 is an apocalyptic number.

It is an amenable number.

420112101223412 is a deficient number, since it is larger than the sum of its proper divisors (376572707685388).

420112101223412 is a wasteful number, since it uses less digits than its factorization.

420112101223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24045 (or 24043 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 420112101223412 its reverse (214322101211024), we get a palindrome (634434202434436).

The spelling of 420112101223412 in words is "four hundred twenty trillion, one hundred twelve billion, one hundred one million, two hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 239 478 619 956 1238 2476 2663 3107 5326 6214 8047 10652 12428 16094 20507 32188 34619 41014 69238 82028 138476 147941 266591 295882 533182 591764 636457 1066364 1272914 1648397 1923233 2545828 3296794 3846466 4901173 6593588 7692932 8273941 9802346 12693833 16547882 19604692 21429161 25387666 33095764 42858322 50775332 54610141 63715249 85716644 109220282 127430498 165019829 218440564 254860996 330039658 393966883 660079316 709931833 787933766 1419863666 1575867532 2839727332 3033826087 5121569479 6067652174 10243138958 12135304348 13051823699 20486277916 26103647398 33803677279 39439739131 52207294796 67607354558 78879478262 135214709116 157758956524 169673708087 339347416174 439447804627 678694832348 878895609254 1757791218508 8079078869681 16158157739362 32316315478724 105028025305853 210056050611706 420112101223412