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1086660069 = 311476710457
BaseRepresentation
bin100000011000101…
…0001110111100101
32210201202001101020
41000301101313211
54211141110234
6255454521353
735633313105
oct10061216745
92721661336
101086660069
11508433880
12263b06259
1314418cb31
14a4469205
15655ed549
hex40c51de5

1086660069 has 32 divisors (see below), whose sum is σ = 1638475776. Its totient is φ = 634888320.

The previous prime is 1086660037. The next prime is 1086660079. The reversal of 1086660069 is 9600666801.

It is not a de Polignac number, because 1086660069 - 25 = 1086660037 is a prime.

It is a super-2 number, since 2×10866600692 = 2361660211118169522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1086660069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086660079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98689 + ... + 109145.

It is an arithmetic number, because the mean of its divisors is an integer number (51202368).

Almost surely, 21086660069 is an apocalyptic number.

It is an amenable number.

1086660069 is a deficient number, since it is larger than the sum of its proper divisors (551815707).

1086660069 is a wasteful number, since it uses less digits than its factorization.

1086660069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1086660069 is about 32964.5274348048. The cubic root of 1086660069 is about 1028.0902397859.

The spelling of 1086660069 in words is "one billion, eighty-six million, six hundred sixty thousand, sixty-nine".

Divisors: 1 3 11 33 47 67 141 201 517 737 1551 2211 3149 9447 10457 31371 34639 103917 115027 345081 491479 700619 1474437 2101857 5406269 7706809 16218807 23120427 32929093 98787279 362220023 1086660069