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12171022614131 = 20640758966133
BaseRepresentation
bin1011000100011100100101…
…1110101011111001110011
31121002112112111022001210012
42301013021132223321303
53043402223242123011
641515142434125135
72364220200155663
oct261071136537163
947075474261705
1012171022614131
113972779a71117
1214469aaa207ab
136a3951471094
1430111b3ac1a3
151618e2417a8b
hexb11c97abe73

12171022614131 has 4 divisors (see below), whose sum is σ = 12171081786672. Its totient is φ = 12170963441592.

The previous prime is 12171022614089. The next prime is 12171022614133. The reversal of 12171022614131 is 13141622017121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12171022614131 - 234 = 12153842744947 is a prime.

It is a super-2 number, since 2×121710226141312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12171022614133) 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, 29276660 + ... + 29689473.

It is an arithmetic number, because the mean of its divisors is an integer number (3042770446668).

Almost surely, 212171022614131 is an apocalyptic number.

12171022614131 is a deficient number, since it is larger than the sum of its proper divisors (59172541).

12171022614131 is an equidigital number, since it uses as much as digits as its factorization.

12171022614131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59172540.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 12171022614131 in words is "twelve trillion, one hundred seventy-one billion, twenty-two million, six hundred fourteen thousand, one hundred thirty-one".

Divisors: 1 206407 58966133 12171022614131