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478831288923201 = 3434438378940083
BaseRepresentation
bin110110011011111101001100…
…0111000100011010001000001
32022210101211020211001000101210
41230313322120320203101001
51000230132434431020301
64414220020221120333
7202600263500603244
oct15467723070432101
92283354224030353
10478831288923201
11129630233544865
12458548659b90a9
131772479b2175c6
1486357b539925b
153a55779c08ad6
hex1b37e98e23441

478831288923201 has 16 divisors (see below), whose sum is σ = 654763893924096. Its totient is φ = 311093287364496.

The previous prime is 478831288923067. The next prime is 478831288923353. The reversal of 478831288923201 is 102329882138874.

It is a de Polignac number, because none of the positive numbers 2k-478831288923201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478831288923601) 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, 4189412895 + ... + 4189527188.

It is an arithmetic number, because the mean of its divisors is an integer number (40922743370256).

Almost surely, 2478831288923201 is an apocalyptic number.

It is an amenable number.

478831288923201 is a deficient number, since it is larger than the sum of its proper divisors (175932605000895).

478831288923201 is a wasteful number, since it uses less digits than its factorization.

478831288923201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378940572.

The product of its (nonzero) digits is 74317824, while the sum is 66.

The spelling of 478831288923201 in words is "four hundred seventy-eight trillion, eight hundred thirty-one billion, two hundred eighty-eight million, nine hundred twenty-three thousand, two hundred one".

Divisors: 1 3 43 129 443 1329 19049 57147 8378940083 25136820249 360294423569 1080883270707 3711870456769 11135611370307 159610429641067 478831288923201