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243168267485 = 51113980334693
BaseRepresentation
bin1110001001110111110…
…1010100110011011101
3212020122210222212221002
43202131331110303131
512441002034024420
6303413203520045
723365636112153
oct3423575246335
9766583885832
10243168267485
1194144169520
123b164689025
1319c138ac810
14baab3773d3
1564d318c075
hex389df54cdd

243168267485 has 32 divisors (see below), whose sum is σ = 342861095808. Its totient is φ = 163224472320.

The previous prime is 243168267479. The next prime is 243168267539. The reversal of 243168267485 is 584762861342.

It is not a de Polignac number, because 243168267485 - 28 = 243168267229 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 243168267485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6991799 + ... + 7026491.

It is an arithmetic number, because the mean of its divisors is an integer number (10714409244).

Almost surely, 2243168267485 is an apocalyptic number.

It is an amenable number.

243168267485 is a deficient number, since it is larger than the sum of its proper divisors (99692828323).

243168267485 is a wasteful number, since it uses less digits than its factorization.

243168267485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44525.

The product of its digits is 15482880, while the sum is 56.

The spelling of 243168267485 in words is "two hundred forty-three billion, one hundred sixty-eight million, two hundred sixty-seven thousand, four hundred eighty-five".

Divisors: 1 5 11 13 55 65 143 715 9803 34693 49015 107833 127439 173465 381623 451009 539165 637195 1401829 1908115 2255045 4961099 7009145 24805495 340095479 1700477395 3741050269 4421241227 18705251345 22106206135 48633653497 243168267485