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11812361169131 = 232281334767271
BaseRepresentation
bin1010101111100100011110…
…0101110110100011101011
31112211020202202111212112222
42223321013211312203223
53022013203424403011
641042305050424255
72326262215165325
oct253710745664353
945736682455488
1011812361169131
113844659a28a66
1213a9393a3208b
13678b932cc193
142cba15492615
151573eecaeddb
hexabe479768eb

11812361169131 has 16 divisors (see below), whose sum is σ = 12335213495808. Its totient is φ = 11290284667200.

The previous prime is 11812361169079. The next prime is 11812361169157. The reversal of 11812361169131 is 13196116321811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11812361169131 is a prime.

It is a super-2 number, since 2×118123611691312 (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 (11812361129131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175560026 + ... + 175627296.

It is an arithmetic number, because the mean of its divisors is an integer number (770950843488).

Almost surely, 211812361169131 is an apocalyptic number.

11812361169131 is a deficient number, since it is larger than the sum of its proper divisors (522852326677).

11812361169131 is a wasteful number, since it uses less digits than its factorization.

11812361169131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72922.

The product of its digits is 46656, while the sum is 44.

The spelling of 11812361169131 in words is "eleven trillion, eight hundred twelve billion, three hundred sixty-one million, one hundred sixty-nine thousand, one hundred thirty-one".

Divisors: 1 23 2281 3347 52463 67271 76981 1547233 7634507 153445151 175593661 225156037 3529238473 5178588851 513580920397 11812361169131