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1428618014 = 21069668203
BaseRepresentation
bin101010100100110…
…1111101100011110
310200120012022111022
41111021233230132
510411211234024
6353432124142
750255024045
oct12511575436
93616168438
101428618014
1167346594a
1233a536652
13199c8b705
14d7a4155c
158564935e
hex5526fb1e

1428618014 has 8 divisors (see below), whose sum is σ = 2144934840. Its totient is φ = 713639736.

The previous prime is 1428618013. The next prime is 1428618017. The reversal of 1428618014 is 4108168241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428618013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331964 + ... + 336239.

It is an arithmetic number, because the mean of its divisors is an integer number (268116855).

Almost surely, 21428618014 is an apocalyptic number.

1428618014 is a deficient number, since it is larger than the sum of its proper divisors (716316826).

1428618014 is a wasteful number, since it uses less digits than its factorization.

1428618014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669274.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1428618014 is about 37797.0635631923. The cubic root of 1428618014 is about 1126.2601225499.

The spelling of 1428618014 in words is "one billion, four hundred twenty-eight million, six hundred eighteen thousand, fourteen".

Divisors: 1 2 1069 2138 668203 1336406 714309007 1428618014