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12030061146 = 23107102118353
BaseRepresentation
bin10110011010000110…
…00010101001011010
31011001101200102111020
423031003002221122
5144114143424041
65305421543310
7604054555365
oct131503025132
934041612436
1012030061146
115113723aa4
1223b8a14b36
13119945b59c
14821a050dc
154a620c866
hex2cd0c2a5a

12030061146 has 32 divisors (see below), whose sum is σ = 24310093248. Its totient is φ = 3968436480.

The previous prime is 12030061081. The next prime is 12030061163. The reversal of 12030061146 is 64116003021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646306 + ... + 664658.

It is an arithmetic number, because the mean of its divisors is an integer number (759690414).

Almost surely, 212030061146 is an apocalyptic number.

12030061146 is an abundant number, since it is smaller than the sum of its proper divisors (12280032102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12030061146 is a wasteful number, since it uses less digits than its factorization.

12030061146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19486.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12030061146 its reverse (64116003021), we get a palindrome (76146064167).

The spelling of 12030061146 in words is "twelve billion, thirty million, sixty-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 107 214 321 642 1021 2042 3063 6126 18353 36706 55059 109247 110118 218494 327741 655482 1963771 3927542 5891313 11782626 18738413 37476826 56215239 112430478 2005010191 4010020382 6015030573 12030061146