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12545255939208 = 233522718997467
BaseRepresentation
bin1011011010001110101110…
…0001100001110010001000
31122102022111110022201200120
42312203223201201302020
53121020141010023313
642403113325103240
72433236065016526
oct266435341416210
948368443281616
1012545255939208
113aa745aa18253
1214a74309b7b20
137000217905c5
1431529d455316
1516b4e6b9ad23
hexb68eb861c88

12545255939208 has 16 divisors (see below), whose sum is σ = 31363139848080. Its totient is φ = 4181751979728.

The previous prime is 12545255939171. The next prime is 12545255939213. The reversal of 12545255939208 is 80293955254521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261359498710 + ... + 261359498757.

It is an arithmetic number, because the mean of its divisors is an integer number (1960196240505).

Almost surely, 212545255939208 is an apocalyptic number.

It is an amenable number.

12545255939208 is an abundant number, since it is smaller than the sum of its proper divisors (18817883908872).

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

12545255939208 is a wasteful number, since it uses less digits than its factorization.

12545255939208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522718997476 (or 522718997472 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 60.

The spelling of 12545255939208 in words is "twelve trillion, five hundred forty-five billion, two hundred fifty-five million, nine hundred thirty-nine thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 522718997467 1045437994934 1568156992401 2090875989868 3136313984802 4181751979736 6272627969604 12545255939208