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28528071702 = 23132194393373
BaseRepresentation
bin11010100100011001…
…111101010000010110
32201122011121012100020
4122210121331100112
5431411141243302
621034451330010
72026644415464
oct324431752026
981564535306
1028528071702
111110a397569
125641bb0906
1328c8451200
141548b71834
15b1e7c6ebc
hex6a467d416

28528071702 has 96 divisors (see below), whose sum is σ = 65201875200. Its totient is φ = 8294472576.

The previous prime is 28528071697. The next prime is 28528071713. The reversal of 28528071702 is 20717082582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8456088 + ... + 8459460.

It is an arithmetic number, because the mean of its divisors is an integer number (679186200).

Almost surely, 228528071702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28528071702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32600937600).

28528071702 is an abundant number, since it is smaller than the sum of its proper divisors (36673803498).

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

28528071702 is a wasteful number, since it uses less digits than its factorization.

28528071702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 28528071702 in words is "twenty-eight billion, five hundred twenty-eight million, seventy-one thousand, seven hundred two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 169 247 338 439 494 507 741 878 1014 1317 1482 2634 3211 3373 5707 6422 6746 8341 9633 10119 11414 16682 17121 19266 20238 25023 34242 43849 50046 64087 74191 87698 108433 128174 131547 148382 192261 216866 222573 263094 325299 384522 445146 570037 650598 833131 1140074 1409629 1480747 1666262 1710111 2499393 2819258 2961494 3420222 4228887 4442241 4998786 8457774 8884482 10830703 19249711 21661406 28134193 32492109 38499422 56268386 57749133 64984218 84402579 115498266 168805158 250246243 365744509 500492486 731489018 750738729 1097233527 1501477458 2194467054 4754678617 9509357234 14264035851 28528071702