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420103212443420 = 225111909560056561
BaseRepresentation
bin101111110000101001110011…
…0101111110010011100011100
32001002110110211012010222222012
41133201103212233302130130
5420030432334341142140
64045252430154010352
7154326312143160062
oct13741234657623434
92032413735128865
10420103212443420
111119488543a1050
123b14a997a169b8
1315054741a487cc
1475a5165430032
153387cae259265
hex17e14e6bf271c

420103212443420 has 24 divisors (see below), whose sum is σ = 962418268507248. Its totient is φ = 152764804524800.

The previous prime is 420103212443401. The next prime is 420103212443437. The reversal of 420103212443420 is 24344212301024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954780028061 + ... + 954780028500.

It is an arithmetic number, because the mean of its divisors is an integer number (40100761187802).

Almost surely, 2420103212443420 is an apocalyptic number.

It is an amenable number.

420103212443420 is an abundant number, since it is smaller than the sum of its proper divisors (542315056063828).

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

420103212443420 is a wasteful number, since it uses less digits than its factorization.

420103212443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909560056581 (or 1909560056579 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 420103212443420 its reverse (24344212301024), we get a palindrome (444447424744444).

The spelling of 420103212443420 in words is "four hundred twenty trillion, one hundred three billion, two hundred twelve million, four hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1909560056561 3819120113122 7638240226244 9547800282805 19095600565610 21005160622171 38191201131220 42010321244342 84020642488684 105025803110855 210051606221710 420103212443420