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28966428897593 = 1119691200572147
BaseRepresentation
bin1101001011000010001011…
…01101000111000100111001
310210120011102020022122001212
412211201011231013010321
512244041221244210333
6141334554351252505
76046520053104065
oct645410555070471
9123504366278055
1028966428897593
119258658a61030
1232b9a7a51a135
1313216a3ca8795
14721da850caa5
1535373b184448
hex1a5845b47139

28966428897593 has 16 divisors (see below), whose sum is σ = 33311022339840. Its totient is φ = 24911060533200.

The previous prime is 28966428897509. The next prime is 28966428897613. The reversal of 28966428897593 is 39579882466982.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28966428897593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28966428897293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100141655 + ... + 100430492.

It is an arithmetic number, because the mean of its divisors is an integer number (2081938896240).

Almost surely, 228966428897593 is an apocalyptic number.

It is an amenable number.

28966428897593 is a deficient number, since it is larger than the sum of its proper divisors (4344593442247).

28966428897593 is a wasteful number, since it uses less digits than its factorization.

28966428897593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200572868.

The product of its digits is 22574039040, while the sum is 86.

The spelling of 28966428897593 in words is "twenty-eight trillion, nine hundred sixty-six billion, four hundred twenty-eight million, eight hundred ninety-seven thousand, five hundred ninety-three".

Divisors: 1 11 19 209 691 7601 13129 144419 200572147 2206293617 3810870793 41919578723 138595353577 1524548889347 2633311717963 28966428897593