Base | Representation |
---|---|
bin | 1100001110100010011… |
… | …11011110110111000100 |
3 | 1111011102001021100210122 |
4 | 12013101033132313010 |
5 | 23340402303340140 |
6 | 521000155241112 |
7 | 42232010556611 |
oct | 6072117366704 |
9 | 1434361240718 |
10 | 420122324420 |
11 | 15219a110587 |
12 | 6950a149198 |
13 | 30804474b96 |
14 | 1649680b508 |
15 | addd278ab5 |
hex | 61d13dedc4 |
420122324420 has 96 divisors (see below), whose sum is σ = 916771322880. Its totient is φ = 161605463040.
The previous prime is 420122324411. The next prime is 420122324443. The reversal of 420122324420 is 24423221024.
It is a self number, because there is not a number n which added to its sum of digits gives 420122324420.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62898641 + ... + 62905319.
It is an arithmetic number, because the mean of its divisors is an integer number (9549701280).
Almost surely, 2420122324420 is an apocalyptic number.
It is an amenable number.
420122324420 is an abundant number, since it is smaller than the sum of its proper divisors (496648998460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420122324420 is a wasteful number, since it uses less digits than its factorization.
420122324420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7893 (or 7891 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
Adding to 420122324420 its reverse (24423221024), we get a palindrome (444545545444).
The spelling of 420122324420 in words is "four hundred twenty billion, one hundred twenty-two million, three hundred twenty-four thousand, four hundred twenty".
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