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28030502752532 = 2272414153897859
BaseRepresentation
bin1100101111110010111000…
…01010001101000100010100
310200020200121221011021201022
412113321130022031010110
512133222432201040112
6135341011334020312
75622064663116620
oct627713412150424
9120220557137638
1028030502752532
118a27740060765
1231885ba7a7698
13128435a479b97
146cc97da16180
1533920eb33d72
hex197e5c28d114

28030502752532 has 24 divisors (see below), whose sum is σ = 56293623798720. Its totient is φ = 11963225831040.

The previous prime is 28030502752531. The next prime is 28030502752537. The reversal of 28030502752532 is 23525720503082.

It is a super-2 number, since 2×280305027525322 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28030502752531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076942182 + ... + 2076955677.

It is an arithmetic number, because the mean of its divisors is an integer number (2345567658280).

Almost surely, 228030502752532 is an apocalyptic number.

It is an amenable number.

28030502752532 is an abundant number, since it is smaller than the sum of its proper divisors (28263121046188).

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

28030502752532 is a wasteful number, since it uses less digits than its factorization.

28030502752532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153898111 (or 4153898109 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 28030502752532 in words is "twenty-eight trillion, thirty billion, five hundred two million, seven hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 241 482 964 1687 3374 6748 4153897859 8307795718 16615591436 29077285013 58154570026 116309140052 1001089384019 2002178768038 4004357536076 7007625688133 14015251376266 28030502752532