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1129288105 = 51120532511
BaseRepresentation
bin100001101001111…
…1001000110101001
32220200221210001101
41003103321012221
54303044204410
6304020321401
736661535101
oct10323710651
92820853041
101129288105
1152a4a9960
12276243261
1314cc6691a
14a9da4201
156921dd3a
hex434f91a9

1129288105 has 8 divisors (see below), whose sum is σ = 1478340864. Its totient is φ = 821300400.

The previous prime is 1129288103. The next prime is 1129288151. The reversal of 1129288105 is 5018829211.

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

It is not a de Polignac number, because 1129288105 - 21 = 1129288103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129288103) 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, 10266201 + ... + 10266310.

It is an arithmetic number, because the mean of its divisors is an integer number (184792608).

Almost surely, 21129288105 is an apocalyptic number.

It is an amenable number.

1129288105 is a deficient number, since it is larger than the sum of its proper divisors (349052759).

1129288105 is a wasteful number, since it uses less digits than its factorization.

1129288105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532527.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1129288105 is about 33604.8821601862. The cubic root of 1129288105 is about 1041.3616610018.

The spelling of 1129288105 in words is "one billion, one hundred twenty-nine million, two hundred eighty-eight thousand, one hundred five".

Divisors: 1 5 11 55 20532511 102662555 225857621 1129288105