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52507684242561 = 3757101581227611
BaseRepresentation
bin10111111000001011001011…
…10111100000010010000001
320212220200111210110210110210
423330011211313200102001
523340241214131230221
6303401410325344333
714026361235660222
oct1374054567402201
9225820453423423
1052507684242561
1115804424978559
125a804112680a9
13233b5b80c10b2
14cd7557a6d249
15610ca3198276
hex2fc165de0481

52507684242561 has 16 divisors (see below), whose sum is σ = 70103727581888. Its totient is φ = 34958383185600.

The previous prime is 52507684242553. The next prime is 52507684242571. The reversal of 52507684242561 is 16524248670525.

It is not a de Polignac number, because 52507684242561 - 23 = 52507684242553 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52507684242571) 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, 230576646 + ... + 230804256.

It is an arithmetic number, because the mean of its divisors is an integer number (4381482973868).

Almost surely, 252507684242561 is an apocalyptic number.

It is an amenable number.

52507684242561 is a deficient number, since it is larger than the sum of its proper divisors (17596043339327).

52507684242561 is a wasteful number, since it uses less digits than its factorization.

52507684242561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329952.

The product of its (nonzero) digits is 32256000, while the sum is 57.

The spelling of 52507684242561 in words is "fifty-two trillion, five hundred seven billion, six hundred eighty-four million, two hundred forty-two thousand, five hundred sixty-one".

Divisors: 1 3 757 2271 101581 227611 304743 682833 76896817 172301527 230690451 516904581 23120952991 69362858973 17502561414187 52507684242561