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28623454014 = 238215810689
BaseRepresentation
bin11010101010000101…
…110011111100111110
32201212211002010021110
4122222011303330332
5432110101012024
621052135542450
72032213226151
oct325205637476
981784063243
1028623454014
1111159214721
125669b2aa26
132912138c4c
1415576bdc98
15b27d68629
hex6aa173f3e

28623454014 has 16 divisors (see below), whose sum is σ = 57316646160. Its totient is φ = 9529528320.

The previous prime is 28623453983. The next prime is 28623454073. The reversal of 28623454014 is 41045432682.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900419 + ... + 2910270.

It is an arithmetic number, because the mean of its divisors is an integer number (3582290385).

Almost surely, 228623454014 is an apocalyptic number.

28623454014 is an abundant number, since it is smaller than the sum of its proper divisors (28693192146).

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

28623454014 is a wasteful number, since it uses less digits than its factorization.

28623454014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811515.

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 28623454014 its reverse (41045432682), we get a palindrome (69668886696).

The spelling of 28623454014 in words is "twenty-eight billion, six hundred twenty-three million, four hundred fifty-four thousand, fourteen".

Divisors: 1 2 3 6 821 1642 2463 4926 5810689 11621378 17432067 34864134 4770575669 9541151338 14311727007 28623454014