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488442742054817 = 1144403885641347
BaseRepresentation
bin110111100001111000111000…
…0001000100001111110100001
32101001102200002111210021012012
41233003301300020201332201
51003010121213431223232
64450455255322242305
7204611552325334034
oct15703616010417641
92331380074707165
10488442742054817
111316a6449239810
1246947586056395
1317c70c507b4344
148888a7d46b01b
153b707b399d9b2
hex1bc3c70221fa1

488442742054817 has 4 divisors (see below), whose sum is σ = 532846627696176. Its totient is φ = 444038856413460.

The previous prime is 488442742054727. The next prime is 488442742054819. The reversal of 488442742054817 is 718450247244884.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 488442742054817 - 210 = 488442742053793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488442742054819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22201942820663 + ... + 22201942820684.

It is an arithmetic number, because the mean of its divisors is an integer number (133211656924044).

Almost surely, 2488442742054817 is an apocalyptic number.

It is an amenable number.

488442742054817 is a deficient number, since it is larger than the sum of its proper divisors (44403885641359).

488442742054817 is a wasteful number, since it uses less digits than its factorization.

488442742054817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44403885641358.

The product of its (nonzero) digits is 513802240, while the sum is 68.

The spelling of 488442742054817 in words is "four hundred eighty-eight trillion, four hundred forty-two billion, seven hundred forty-two million, fifty-four thousand, eight hundred seventeen".

Divisors: 1 11 44403885641347 488442742054817