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448512625887668 = 22211217530867101
BaseRepresentation
bin110010111111010110111101…
…1101111100100100110110100
32011211001101111001121210101022
41211332231323233210212310
5432241412324211401133
64225523504511120312
7163320652661121146
oct14576557357444664
92154041431553338
10448512625887668
1111aa01155682701
1242378902b13098
131633573657ca84
147ca81ac3a8c96
1536cbc99097998
hex197eb7bbe49b4

448512625887668 has 12 divisors (see below), whose sum is σ = 784900812851652. Its totient is φ = 224255250787200.

The previous prime is 448512625887661. The next prime is 448512625887787. The reversal of 448512625887668 is 866788526215844.

It can be written as a sum of positive squares in 2 ways, for example, as 139283144141584 + 309229481746084 = 11801828^2 + 17584922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 448512625887592 and 448512625887601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448512625887661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264588683 + ... + 266278418.

It is an arithmetic number, because the mean of its divisors is an integer number (65408401070971).

Almost surely, 2448512625887668 is an apocalyptic number.

It is an amenable number.

448512625887668 is a deficient number, since it is larger than the sum of its proper divisors (336388186963984).

448512625887668 is a wasteful number, since it uses less digits than its factorization.

448512625887668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531078322 (or 531078320 counting only the distinct ones).

The product of its digits is 9909043200, while the sum is 80.

The spelling of 448512625887668 in words is "four hundred forty-eight trillion, five hundred twelve billion, six hundred twenty-five million, eight hundred eighty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 211217 422434 844868 530867101 1061734202 2123468404 112128156471917 224256312943834 448512625887668