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12150525155 = 518311327201
BaseRepresentation
bin10110101000011101…
…00100110011100011
31011100210100122001012
423110032210303203
5144341013301110
65325403531135
7610046521406
oct132416446343
934323318035
1012150525155
11517572242a
122431229aab
1311b83b8772
14833a01d3d
154b1aa5905
hex2d43a4ce3

12150525155 has 8 divisors (see below), whose sum is σ = 14588604384. Its totient is φ = 9715104000.

The previous prime is 12150525151. The next prime is 12150525161. The reversal of 12150525155 is 55152505121.

12150525155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12150525155 - 22 = 12150525151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12150525151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654446 + ... + 672755.

It is an arithmetic number, because the mean of its divisors is an integer number (1823575548).

Almost surely, 212150525155 is an apocalyptic number.

12150525155 is a deficient number, since it is larger than the sum of its proper divisors (2438079229).

12150525155 is a wasteful number, since it uses less digits than its factorization.

12150525155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329037.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 12150525155 in words is "twelve billion, one hundred fifty million, five hundred twenty-five thousand, one hundred fifty-five".

Divisors: 1 5 1831 9155 1327201 6636005 2430105031 12150525155