Base | Representation |
---|---|
bin | 1100001110100011011… |
… | …10011101110011000011 |
3 | 1111011102121120000020120 |
4 | 12013101232131303003 |
5 | 23340411343242111 |
6 | 521001045311323 |
7 | 42232136605335 |
oct | 6072156356303 |
9 | 1434377500216 |
10 | 420130446531 |
11 | 1521a3758874 |
12 | 69510a05543 |
13 | 30806059a73 |
14 | 16497923455 |
15 | adddd30406 |
hex | 61d1b9dcc3 |
420130446531 has 8 divisors (see below), whose sum is σ = 561389058384. Its totient is φ = 279479399520.
The previous prime is 420130446523. The next prime is 420130446539. The reversal of 420130446531 is 135644031024.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (420130446523) and next prime (420130446539).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 420130446531 - 23 = 420130446523 is a prime.
It is a super-2 number, since 2×4201304465312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 420130446492 and 420130446501.
It is not an unprimeable number, because it can be changed into a prime (420130446539) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151889596 + ... + 151892361.
It is an arithmetic number, because the mean of its divisors is an integer number (70173632298).
Almost surely, 2420130446531 is an apocalyptic number.
420130446531 is a deficient number, since it is larger than the sum of its proper divisors (141258611853).
420130446531 is a wasteful number, since it uses less digits than its factorization.
420130446531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303782421.
The product of its (nonzero) digits is 34560, while the sum is 33.
Adding to 420130446531 its reverse (135644031024), we get a palindrome (555774477555).
The spelling of 420130446531 in words is "four hundred twenty billion, one hundred thirty million, four hundred forty-six thousand, five hundred thirty-one".
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