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12675662811642 = 2311345318621019
BaseRepresentation
bin1011100001110100100001…
…1000010001000111111010
31122212210002201212020100210
42320131020120101013322
53130134224134433032
642543041421011550
72445533512111065
oct270351030210772
948783081766323
1012675662811642
11404779a226696
1215087659b3bb6
1370c404a4184c
1431b7109938dc
1516eaca5ce2cc
hexb87486111fa

12675662811642 has 16 divisors (see below), whose sum is σ = 25351550436960. Its totient is φ = 4225183468272.

The previous prime is 12675662811631. The next prime is 12675662811659. The reversal of 12675662811642 is 24611826657621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629792 + ... + 9991227.

It is an arithmetic number, because the mean of its divisors is an integer number (1584471902310).

Almost surely, 212675662811642 is an apocalyptic number.

12675662811642 is an abundant number, since it is smaller than the sum of its proper divisors (12675887625318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12675662811642 is a wasteful number, since it uses less digits than its factorization.

12675662811642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18734477.

The product of its digits is 11612160, while the sum is 57.

The spelling of 12675662811642 in words is "twelve trillion, six hundred seventy-five billion, six hundred sixty-two million, eight hundred eleven thousand, six hundred forty-two".

Divisors: 1 2 3 6 113453 226906 340359 680718 18621019 37242038 55863057 111726114 2112610468607 4225220937214 6337831405821 12675662811642