Base | Representation |
---|---|
bin | 1100001110011111110… |
… | …11100101111001010100 |
3 | 1111011100111220002102210 |
4 | 12013033323211321110 |
5 | 23340331141130030 |
6 | 520554052033420 |
7 | 42231322625235 |
oct | 6071773457124 |
9 | 1434314802383 |
10 | 420100333140 |
11 | 152188760174 |
12 | 69502902870 |
13 | 307cca452a7 |
14 | 1649392508c |
15 | addb382bb0 |
hex | 61cfee5e54 |
420100333140 has 96 divisors (see below), whose sum is σ = 1198968220800. Its totient is φ = 109867803136.
The previous prime is 420100333097. The next prime is 420100333187. The reversal of 420100333140 is 41333001024.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8079907 + ... + 8131733.
It is an arithmetic number, because the mean of its divisors is an integer number (12489252300).
Almost surely, 2420100333140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 420100333140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599484110400).
420100333140 is an abundant number, since it is smaller than the sum of its proper divisors (778867887660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420100333140 is a wasteful number, since it uses less digits than its factorization.
420100333140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54441 (or 54439 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 420100333140 its reverse (41333001024), we get a palindrome (461433334164).
The spelling of 420100333140 in words is "four hundred twenty billion, one hundred million, three hundred thirty-three thousand, one hundred forty".
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