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447485135975 = 52139199647099
BaseRepresentation
bin1101000001100000011…
…00010100110001100111
31120210001000020012201122
412200300030110301213
524312422143322400
6541323303244155
744221045616453
oct6406014246147
91523030205648
10447485135975
11162860769929
1272885a4965b
1333275376137
14179308d3663
15b9905c8685
hex6830314c67

447485135975 has 24 divisors (see below), whose sum is σ = 561682800000. Its totient is φ = 353626115040.

The previous prime is 447485135953. The next prime is 447485135987. The reversal of 447485135975 is 579531584744.

It is a happy number.

It is not a de Polignac number, because 447485135975 - 210 = 447485134951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367976 + ... + 1015074.

It is an arithmetic number, because the mean of its divisors is an integer number (23403450000).

Almost surely, 2447485135975 is an apocalyptic number.

447485135975 is a deficient number, since it is larger than the sum of its proper divisors (114197664025).

447485135975 is a wasteful number, since it uses less digits than its factorization.

447485135975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647447 (or 647442 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 62.

The spelling of 447485135975 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-five thousand, nine hundred seventy-five".

Divisors: 1 5 25 139 199 695 995 3475 4975 27661 138305 647099 691525 3235495 16177475 89946761 128772701 449733805 643863505 2248669025 3219317525 17899405439 89497027195 447485135975