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28803352653 = 332921268479
BaseRepresentation
bin11010110100110100…
…000100100001001101
32202100100120220211000
4122310310010201031
5432442124241103
621122043450513
72036526313035
oct326464044115
982310526730
1028803352653
1111240818189
1256ba226a39
1329404a594a
14157354c8c5
15b38a51aa3
hex6b4d0484d

28803352653 has 24 divisors (see below), whose sum is σ = 44193843200. Its totient is φ = 18540074448.

The previous prime is 28803352639. The next prime is 28803352693. The reversal of 28803352653 is 35625330882.

It is not a de Polignac number, because 28803352653 - 224 = 28786575437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28803352599 and 28803352608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28803352693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611533 + ... + 656946.

Almost surely, 228803352653 is an apocalyptic number.

It is an amenable number.

28803352653 is a deficient number, since it is larger than the sum of its proper divisors (15390490547).

28803352653 is a wasteful number, since it uses less digits than its factorization.

28803352653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268546 (or 1268511 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

It can be divided in two parts, 2880 and 3352653, that added together give a palindrome (3355533).

The spelling of 28803352653 in words is "twenty-eight billion, eight hundred three million, three hundred fifty-two thousand, six hundred fifty-three".

Divisors: 1 3 9 27 29 87 261 783 841 2523 7569 22707 1268479 3805437 11416311 34248933 36785891 110357673 331073019 993219057 1066790839 3200372517 9601117551 28803352653