Base | Representation |
---|---|
bin | 100000111000000… |
… | …000011101011111 |
3 | 1102102211210021211 |
4 | 200320000131133 |
5 | 2112144142423 |
6 | 130421405251 |
7 | 16445056561 |
oct | 4070003537 |
9 | 1372753254 |
10 | 551552863 |
11 | 263378914 |
12 | 134869827 |
13 | 8a365254 |
14 | 53375331 |
15 | 3364d10d |
hex | 20e0075f |
551552863 has 2 divisors, whose sum is σ = 551552864. Its totient is φ = 551552862.
The previous prime is 551552861. The next prime is 551552867. The reversal of 551552863 is 368255155.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 551552863 - 21 = 551552861 is a prime.
Together with 551552861, it forms a pair of twin primes.
It is equal to p28922665 and since 551552863 and 28922665 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (551552861) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275776431 + 275776432.
It is an arithmetic number, because the mean of its divisors is an integer number (275776432).
Almost surely, 2551552863 is an apocalyptic number.
551552863 is a deficient number, since it is larger than the sum of its proper divisors (1).
551552863 is an equidigital number, since it uses as much as digits as its factorization.
551552863 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 180000, while the sum is 40.
The square root of 551552863 is about 23485.1626138718. The cubic root of 551552863 is about 820.0916331269.
The spelling of 551552863 in words is "five hundred fifty-one million, five hundred fifty-two thousand, eight hundred sixty-three".
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