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1428311695 = 51726714753
BaseRepresentation
bin101010100100010…
…0100111010001111
310200112121202022011
41111020210322033
510411121433240
6353421402051
750252310016
oct12510447217
93615552264
101428311695
11673276798
1233a409327
13199bb2165
14d79a1a7d
15855d86ea
hex55224e8f

1428311695 has 24 divisors (see below), whose sum is σ = 1848027024. Its totient is φ = 1059311616.

The previous prime is 1428311663. The next prime is 1428311713. The reversal of 1428311695 is 5961138241.

1428311695 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1428311695 - 25 = 1428311663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89439 + ... + 104191.

It is an arithmetic number, because the mean of its divisors is an integer number (77001126).

Almost surely, 21428311695 is an apocalyptic number.

1428311695 is a deficient number, since it is larger than the sum of its proper divisors (419715329).

1428311695 is a wasteful number, since it uses less digits than its factorization.

1428311695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859 (or 14842 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 1428311695 is about 37793.0111925472. The cubic root of 1428311695 is about 1126.1796206169.

The spelling of 1428311695 in words is "one billion, four hundred twenty-eight million, three hundred eleven thousand, six hundred ninety-five".

Divisors: 1 5 17 67 85 289 335 1139 1445 5695 14753 19363 73765 96815 250801 988451 1254005 4263617 4942255 16803667 21318085 84018335 285662339 1428311695