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28369713743 = 771382114939
BaseRepresentation
bin11010011010111101…
…110111101001001111
32201020010121210001122
4122122331313221033
5431100121314433
621011033231155
72023012405460
oct323275675117
981203553048
1028369713743
1111038a66918
1255b8b624bb
1328a16b6c87
141531b0cd67
15b10946198
hex69af77a4f

28369713743 has 16 divisors (see below), whose sum is σ = 32889991680. Its totient is φ = 23966527200.

The previous prime is 28369713683. The next prime is 28369713761. The reversal of 28369713743 is 34731796382.

It is not a de Polignac number, because 28369713743 - 210 = 28369712719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28369703743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891568 + ... + 1906506.

It is an arithmetic number, because the mean of its divisors is an integer number (2055624480).

Almost surely, 228369713743 is an apocalyptic number.

28369713743 is a deficient number, since it is larger than the sum of its proper divisors (4520277937).

28369713743 is a wasteful number, since it uses less digits than its factorization.

28369713743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18838.

The product of its digits is 4572288, while the sum is 53.

The spelling of 28369713743 in words is "twenty-eight billion, three hundred sixty-nine million, seven hundred thirteen thousand, seven hundred forty-three".

Divisors: 1 7 71 497 3821 14939 26747 104573 271291 1060669 1899037 7424683 57081919 399573433 4052816249 28369713743