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12030061147 = 131998349547
BaseRepresentation
bin10110011010000110…
…00010101001011011
31011001101200102111021
423031003002221123
5144114143424042
65305421543311
7604054555366
oct131503025133
934041612437
1012030061147
115113723aa5
1223b8a14b37
13119945b5a0
14821a050dd
154a620c867
hex2cd0c2a5b

12030061147 has 16 divisors (see below), whose sum is σ = 13651464960. Its totient is φ = 10509301152.

The previous prime is 12030061081. The next prime is 12030061163. The reversal of 12030061147 is 74116003021.

It is a cyclic number.

It is not a de Polignac number, because 12030061147 - 27 = 12030061019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030061177) 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, 218028 + ... + 267574.

It is an arithmetic number, because the mean of its divisors is an integer number (853216560).

Almost surely, 212030061147 is an apocalyptic number.

12030061147 is a deficient number, since it is larger than the sum of its proper divisors (1621403813).

12030061147 is a wasteful number, since it uses less digits than its factorization.

12030061147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50562.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12030061147 its reverse (74116003021), we get a palindrome (86146064168).

The spelling of 12030061147 in words is "twelve billion, thirty million, sixty-one thousand, one hundred forty-seven".

Divisors: 1 13 19 247 983 12779 18677 49547 242801 644111 941393 12238109 48704701 633161113 925389319 12030061147