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12030301020 = 2235200505017
BaseRepresentation
bin10110011010000111…
…11101001101011100
31011001102010121112110
423031003331031130
5144114224113040
65305431034020
7604056604623
oct131503751534
934042117473
1012030301020
115113878241
1223b8b0b910
13119951381a
14821a686ba
154a6258980
hex2cd0fd35c

12030301020 has 24 divisors (see below), whose sum is σ = 33684843024. Its totient is φ = 3208080256.

The previous prime is 12030300973. The next prime is 12030301061. The reversal of 12030301020 is 2010303021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12030300987 and 12030301005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100252449 + ... + 100252568.

It is an arithmetic number, because the mean of its divisors is an integer number (1403535126).

Almost surely, 212030301020 is an apocalyptic number.

12030301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030301020 is an abundant number, since it is smaller than the sum of its proper divisors (21654542004).

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

12030301020 is a wasteful number, since it uses less digits than its factorization.

12030301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200505029 (or 200505027 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12030301020 its reverse (2010303021), we get a palindrome (14040604041).

The spelling of 12030301020 in words is "twelve billion, thirty million, three hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 200505017 401010034 601515051 802020068 1002525085 1203030102 2005050170 2406060204 3007575255 4010100340 6015150510 12030301020