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228427143618 = 23535912174989
BaseRepresentation
bin1101010010111101010…
…0011001100111000010
3210211121110222012112110
43110233110121213002
512220304322043433
6252534334240150
722334431453512
oct3245724314702
9724543865473
10228427143618
118896a192a23
123832b956056
131870489330b
14b0ad69d842
155e1de61963
hex352f5199c2

228427143618 has 32 divisors (see below), whose sum is σ = 473363611200. Its totient is φ = 73439527616.

The previous prime is 228427143613. The next prime is 228427143667. The reversal of 228427143618 is 816341724822.

228427143618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228427143613) 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 15 ways as a sum of consecutive naturals, for example, 6068733 + ... + 6106256.

It is an arithmetic number, because the mean of its divisors is an integer number (14792612850).

Almost surely, 2228427143618 is an apocalyptic number.

228427143618 is an abundant number, since it is smaller than the sum of its proper divisors (244936467582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228427143618 is a wasteful number, since it uses less digits than its factorization.

228427143618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175106.

The product of its digits is 1032192, while the sum is 48.

The spelling of 228427143618 in words is "two hundred twenty-eight billion, four hundred twenty-seven million, one hundred forty-three thousand, six hundred eighteen".

Divisors: 1 2 3 6 53 59 106 118 159 177 318 354 3127 6254 9381 18762 12174989 24349978 36524967 73049934 645274417 718324351 1290548834 1436648702 1935823251 2154973053 3871646502 4309946106 38071190603 76142381206 114213571809 228427143618