Base | Representation |
---|---|
bin | 1010010101100111… |
… | …00100011110011111 |
3 | 112022210022012202201 |
4 | 11022303210132133 |
5 | 42331300000111 |
6 | 2314415432331 |
7 | 254351136052 |
oct | 51263443637 |
9 | 15283265681 |
10 | 5550000031 |
11 | 2398915194 |
12 | 10aa8256a7 |
13 | 6a5a9c0b4 |
14 | 3a9150a99 |
15 | 2273996c1 |
hex | 14ace479f |
5550000031 has 4 divisors (see below), whose sum is σ = 5552761864. Its totient is φ = 5547238200.
The previous prime is 5549999971. The next prime is 5550000041. The reversal of 5550000031 is 1300000555.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 5550000031 - 217 = 5549868959 is a prime.
It is a super-2 number, since 2×55500000312 = 61605000688200001922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5549999963 and 5550000008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5550000041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377900 + ... + 1381921.
It is an arithmetic number, because the mean of its divisors is an integer number (1388190466).
Almost surely, 25550000031 is an apocalyptic number.
5550000031 is a deficient number, since it is larger than the sum of its proper divisors (2761833).
5550000031 is a wasteful number, since it uses less digits than its factorization.
5550000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2761832.
The product of its (nonzero) digits is 375, while the sum is 19.
The square root of 5550000031 is about 74498.3223368151. The cubic root of 5550000031 is about 1770.5070558310.
Adding to 5550000031 its reverse (1300000555), we get a palindrome (6850000586).
The spelling of 5550000031 in words is "five billion, five hundred fifty million, thirty-one", and thus it is an aban number.
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