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12045971548 = 2213231653299
BaseRepresentation
bin10110011011111111…
…01111000001011100
31011002111121202110101
423031333233001130
5144132232042143
65311150550444
7604340032402
oct131577570134
934074552411
1012045971548
115121700796
122402208424
13119c83c420
14823b87472
154a7801b4d
hex2cdfef05c

12045971548 has 12 divisors (see below), whose sum is σ = 22702023400. Its totient is φ = 5559679152.

The previous prime is 12045971543. The next prime is 12045971551. The reversal of 12045971548 is 84517954021.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12045971498 and 12045971507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045971543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115826598 + ... + 115826701.

Almost surely, 212045971548 is an apocalyptic number.

It is an amenable number.

12045971548 is a deficient number, since it is larger than the sum of its proper divisors (10656051852).

12045971548 is a wasteful number, since it uses less digits than its factorization.

12045971548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231653316 (or 231653314 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 12045971548 in words is "twelve billion, forty-five million, nine hundred seventy-one thousand, five hundred forty-eight".

Divisors: 1 2 4 13 26 52 231653299 463306598 926613196 3011492887 6022985774 12045971548