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12485064393 = 321387229377
BaseRepresentation
bin10111010000010101…
…01111011011001001
31012020002211222121100
423220022233123021
5201032134030033
65422514132013
7621251203434
oct135012573311
935202758540
1012485064393
11532754773a
122505281009
13123c7ba689
1486620681b
154d1138513
hex2e82af6c9

12485064393 has 6 divisors (see below), whose sum is σ = 18033981914. Its totient is φ = 8323376256.

The previous prime is 12485064359. The next prime is 12485064413. The reversal of 12485064393 is 39346058421.

12485064393 is a `hidden beast` number, since 12 + 4 + 8 + 506 + 43 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11908920384 + 576144009 = 109128^2 + 24003^2 .

It is not a de Polignac number, because 12485064393 - 26 = 12485064329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12485064353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693614680 + ... + 693614697.

Almost surely, 212485064393 is an apocalyptic number.

It is an amenable number.

12485064393 is a deficient number, since it is larger than the sum of its proper divisors (5548917521).

12485064393 is a wasteful number, since it uses less digits than its factorization.

12485064393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387229383 (or 1387229380 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 12485064393 in words is "twelve billion, four hundred eighty-five million, sixty-four thousand, three hundred ninety-three".

Divisors: 1 3 9 1387229377 4161688131 12485064393