Base | Representation |
---|---|
bin | 110011100111111000… |
… | …110010101101111101 |
3 | 12022002000101101112112 |
4 | 303213320302231331 |
5 | 1402010042013003 |
6 | 41244133543405 |
7 | 4001415333401 |
oct | 634770625575 |
9 | 168060341475 |
10 | 55430032253 |
11 | 21564898712 |
12 | a8ab4a4b65 |
13 | 52c4a2676b |
14 | 297b973101 |
15 | 16964433d8 |
hex | ce7e32b7d |
55430032253 has 4 divisors (see below), whose sum is σ = 55435709148. Its totient is φ = 55424355360.
The previous prime is 55430032213. The next prime is 55430032291. The reversal of 55430032253 is 35223003455.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20794216804 + 34635815449 = 144202^2 + 186107^2 .
It is a cyclic number.
It is not a de Polignac number, because 55430032253 - 28 = 55430031997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55430032213) 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 3 ways as a sum of consecutive naturals, for example, 2823776 + ... + 2843337.
It is an arithmetic number, because the mean of its divisors is an integer number (13858927287).
Almost surely, 255430032253 is an apocalyptic number.
It is an amenable number.
55430032253 is a deficient number, since it is larger than the sum of its proper divisors (5676895).
55430032253 is an equidigital number, since it uses as much as digits as its factorization.
55430032253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5676894.
The product of its (nonzero) digits is 54000, while the sum is 32.
The spelling of 55430032253 in words is "fifty-five billion, four hundred thirty million, thirty-two thousand, two hundred fifty-three".
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