Base | Representation |
---|---|
bin | 1100001110010111100… |
… | …01010000010011100101 |
3 | 1111011011122111221010201 |
4 | 12013023301100103211 |
5 | 23340210302430110 |
6 | 520543115350501 |
7 | 42226514315125 |
oct | 6071361202345 |
9 | 1434148457121 |
10 | 420030514405 |
11 | 152152303337 |
12 | 694a3452431 |
13 | 307bb43b128 |
14 | 1648854cc85 |
15 | add5190b3a |
hex | 61cbc504e5 |
420030514405 has 16 divisors (see below), whose sum is σ = 519807247344. Its totient is φ = 325586027520.
The previous prime is 420030514373. The next prime is 420030514451. The reversal of 420030514405 is 504415030024.
It can be written as a sum of positive squares in 8 ways, for example, as 149842081 + 419880672324 = 12241^2 + 647982^2 .
It is not a de Polignac number, because 420030514405 - 25 = 420030514373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665862 + ... + 4755031.
It is an arithmetic number, because the mean of its divisors is an integer number (32487952959).
Almost surely, 2420030514405 is an apocalyptic number.
It is an amenable number.
420030514405 is a deficient number, since it is larger than the sum of its proper divisors (99776732939).
420030514405 is a wasteful number, since it uses less digits than its factorization.
420030514405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9421176.
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 420030514405 its reverse (504415030024), we get a palindrome (924445544429).
The spelling of 420030514405 in words is "four hundred twenty billion, thirty million, five hundred fourteen thousand, four hundred five".
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