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28560013286353 = 2910986091049497
BaseRepresentation
bin1100111111001101001010…
…11100100101101111010001
310202010022101102122102221221
412133212211130211233101
512220411401400130403
6140424142230245041
76005251516313113
oct637464534455721
9122108342572857
1028560013286353
119111262a3aa8a
1232531567b6781
1312c2275455493
1470a4522713b3
15347da1408dbd
hex19f9a5725bd1

28560013286353 has 16 divisors (see below), whose sum is σ = 29819386674000. Its totient is φ = 27319002181632.

The previous prime is 28560013286291. The next prime is 28560013286383. The reversal of 28560013286353 is 35368231006582.

It can be written as a sum of positive squares in 8 ways, for example, as 2266418844369 + 26293594441984 = 1505463^2 + 5127728^2 .

It is a cyclic number.

It is not a de Polignac number, because 28560013286353 - 229 = 28559476415441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28560013286353.

It is not an unprimeable number, because it can be changed into a prime (28560013286383) 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, 26688301 + ... + 27737797.

It is an arithmetic number, because the mean of its divisors is an integer number (1863711667125).

Almost surely, 228560013286353 is an apocalyptic number.

It is an amenable number.

28560013286353 is a deficient number, since it is larger than the sum of its proper divisors (1259373387647).

28560013286353 is a wasteful number, since it uses less digits than its factorization.

28560013286353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058244.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 28560013286353 in words is "twenty-eight trillion, five hundred sixty billion, thirteen million, two hundred eighty-six thousand, three hundred fifty-three".

Divisors: 1 29 109 3161 8609 249661 938381 1049497 27213049 30435413 114395173 3317460017 9035119673 262018470517 984828044357 28560013286353