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28882585028613 = 332381297320291
BaseRepresentation
bin1101001000100110000000…
…01110001000100000000101
310210021011000000021210010010
412210103000032020200011
512241203013231403423
6141232250522220433
76040461245012301
oct644230016104005
9123234000253103
1028882585028613
119226043310328
1232a577b354719
1313168016b99a4
1471bcd3062d01
153514804d1693
hex1a44c0388805

28882585028613 has 8 divisors (see below), whose sum is σ = 38511302782176. Its totient is φ = 19254461980400.

The previous prime is 28882585028597. The next prime is 28882585028701. The reversal of 28882585028613 is 31682058528882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28882585028613 - 24 = 28882585028597 is a prime.

It is a super-3 number, since 3×288825850286133 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882585020613) 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, 148563003 + ... + 148757288.

It is an arithmetic number, because the mean of its divisors is an integer number (4813912847772).

Almost surely, 228882585028613 is an apocalyptic number.

It is an amenable number.

28882585028613 is a deficient number, since it is larger than the sum of its proper divisors (9628717753563).

28882585028613 is a wasteful number, since it uses less digits than its factorization.

28882585028613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297352675.

The product of its (nonzero) digits is 117964800, while the sum is 66.

The spelling of 28882585028613 in words is "twenty-eight trillion, eight hundred eighty-two billion, five hundred eighty-five million, twenty-eight thousand, six hundred thirteen".

Divisors: 1 3 32381 97143 297320291 891960873 9627528342871 28882585028613