Base | Representation |
---|---|
bin | 1100001111001000110… |
… | …10101110111101000111 |
3 | 1111012020110122021000200 |
4 | 12013210122232331013 |
5 | 23342032133303111 |
6 | 521052130541543 |
7 | 42242665245120 |
oct | 6074432567507 |
9 | 1435213567020 |
10 | 420444041031 |
11 | 152344777a83 |
12 | 69599a378b3 |
13 | 30856007541 |
14 | 164c7435047 |
15 | ae0b627256 |
hex | 61e46aef47 |
420444041031 has 96 divisors (see below), whose sum is σ = 748107988992. Its totient is φ = 222245432640.
The previous prime is 420444041029. The next prime is 420444041053. The reversal of 420444041031 is 130140444024.
420444041031 is a `hidden beast` number, since 4 + 204 + 4 + 40 + 410 + 3 + 1 = 666.
It is not a de Polignac number, because 420444041031 - 21 = 420444041029 is a prime.
It is a super-2 number, since 2×4204440410312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 420444040986 and 420444041004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420444041011) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108836806 + ... + 108840668.
It is an arithmetic number, because the mean of its divisors is an integer number (7792791552).
Almost surely, 2420444041031 is an apocalyptic number.
420444041031 is a deficient number, since it is larger than the sum of its proper divisors (327663947961).
420444041031 is a wasteful number, since it uses less digits than its factorization.
420444041031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6353 (or 6350 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 420444041031 its reverse (130140444024), we get a palindrome (550584485055).
The spelling of 420444041031 in words is "four hundred twenty billion, four hundred forty-four million, forty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •