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5550230143 = 7877052389
BaseRepresentation
bin1010010101101000…
…11100101001111111
3112022210201220102101
411022310130221333
542331324331033
62314424405531
7254353114663
oct51264345177
915283656371
105550230143
112398a62067
1210aa9168a7
136a5b4ca63
143a91b08a3
152273e297d
hex14ad1ca7f

5550230143 has 4 divisors (see below), whose sum is σ = 5557283320. Its totient is φ = 5543176968.

The previous prime is 5550230093. The next prime is 5550230167. The reversal of 5550230143 is 3410320555.

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 5550230143 - 221 = 5548132991 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 (5550210143) 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, 3525408 + ... + 3526981.

It is an arithmetic number, because the mean of its divisors is an integer number (1389320830).

Almost surely, 25550230143 is an apocalyptic number.

5550230143 is a deficient number, since it is larger than the sum of its proper divisors (7053177).

5550230143 is an equidigital number, since it uses as much as digits as its factorization.

5550230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053176.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 5550230143 is about 74499.8667314244. The cubic root of 5550230143 is about 1770.5315248572.

Adding to 5550230143 its reverse (3410320555), we get a palindrome (8960550698).

The spelling of 5550230143 in words is "five billion, five hundred fifty million, two hundred thirty thousand, one hundred forty-three".

Divisors: 1 787 7052389 5550230143