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11971593745193 = 109162287676771
BaseRepresentation
bin1010111000110101101010…
…0101111011001100101001
31120101110202221200211211002
42232031122211323030221
53032120310444321233
641243401345244345
72343630152563055
oct256153245731451
946343687624732
1011971593745193
1138a6140630165
1214142126336b5
1368abbb5805a4
142d55dd0bac65
1515b61e1ac6e8
hexae35a97b329

11971593745193 has 8 divisors (see below), whose sum is σ = 12081517176960. Its totient is φ = 11861671991760.

The previous prime is 11971593745157. The next prime is 11971593745201. The reversal of 11971593745193 is 39154739517911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11971593745193 - 212 = 11971593741097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11971593765193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17350898 + ... + 18027668.

It is an arithmetic number, because the mean of its divisors is an integer number (1510189647120).

Almost surely, 211971593745193 is an apocalyptic number.

It is an amenable number.

11971593745193 is a deficient number, since it is larger than the sum of its proper divisors (109923431767).

11971593745193 is a wasteful number, since it uses less digits than its factorization.

11971593745193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839167.

The product of its digits is 32148900, while the sum is 65.

The spelling of 11971593745193 in words is "eleven trillion, nine hundred seventy-one billion, five hundred ninety-three million, seven hundred forty-five thousand, one hundred ninety-three".

Divisors: 1 109 162287 676771 17689283 73768039 109831135277 11971593745193