Base | Representation |
---|---|
bin | 1100001111000111011… |
… | …01010110110011011110 |
3 | 1111012012122020220121021 |
4 | 12013203231112303132 |
5 | 23342021112130010 |
6 | 521051023554354 |
7 | 42242462162500 |
oct | 6074355266336 |
9 | 1435178226537 |
10 | 420432145630 |
11 | 152338a92872 |
12 | 69595a5b9ba |
13 | 30853701043 |
14 | 164c5a19d70 |
15 | ae0a5778da |
hex | 61e3b56cde |
420432145630 has 96 divisors (see below), whose sum is σ = 895726810080. Its totient is φ = 141630209280.
The previous prime is 420432145613. The next prime is 420432145667. The reversal of 420432145630 is 36541234024.
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 47 ways as a sum of consecutive naturals, for example, 98667700 + ... + 98671960.
It is an arithmetic number, because the mean of its divisors is an integer number (9330487605).
Almost surely, 2420432145630 is an apocalyptic number.
420432145630 is an abundant number, since it is smaller than the sum of its proper divisors (475294664450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420432145630 is a wasteful number, since it uses less digits than its factorization.
420432145630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7754 (or 7747 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 34.
Adding to 420432145630 its reverse (36541234024), we get a palindrome (456973379654).
The spelling of 420432145630 in words is "four hundred twenty billion, four hundred thirty-two million, one hundred forty-five thousand, six hundred thirty".
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