Base | Representation |
---|---|
bin | 110011100111111001… |
… | …100111111010010011 |
3 | 12022002000210110102002 |
4 | 303213321213322103 |
5 | 1402010121001011 |
6 | 41244142344215 |
7 | 4001420231534 |
oct | 634771477223 |
9 | 168060713362 |
10 | 55430250131 |
11 | 21564a27383 |
12 | a8ab58b06b |
13 | 52c4aa1999 |
14 | 297b9cc68b |
15 | 1696487c3b |
hex | ce7e67e93 |
55430250131 has 8 divisors (see below), whose sum is σ = 55928194800. Its totient is φ = 54932435712.
The previous prime is 55430250121. The next prime is 55430250151. The reversal of 55430250131 is 13105203455.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 55430250131 - 26 = 55430250067 is a prime.
It is a super-2 number, since 2×554302501312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 55430250094 and 55430250103.
It is not an unprimeable number, because it can be changed into a prime (55430250121) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 956420 + ... + 1012718.
It is an arithmetic number, because the mean of its divisors is an integer number (6991024350).
Almost surely, 255430250131 is an apocalyptic number.
55430250131 is a deficient number, since it is larger than the sum of its proper divisors (497944669).
55430250131 is a wasteful number, since it uses less digits than its factorization.
55430250131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65125.
The product of its (nonzero) digits is 9000, while the sum is 29.
Adding to 55430250131 its reverse (13105203455), we get a palindrome (68535453586).
The spelling of 55430250131 in words is "fifty-five billion, four hundred thirty million, two hundred fifty thousand, one hundred thirty-one".
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