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12147247101 = 311368098397
BaseRepresentation
bin10110101000000100…
…00100011111111101
31011100120012002101210
423110002010133331
5144334143401401
65325205355033
7610006616403
oct132402043775
934316162353
1012147247101
1151738935a0
122430108a79
1311b780b6a2
148333cb473
154b16594d6
hex2d40847fd

12147247101 has 8 divisors (see below), whose sum is σ = 17668723104. Its totient is φ = 7361967920.

The previous prime is 12147247097. The next prime is 12147247109. The reversal of 12147247101 is 10174274121.

12147247101 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 a cyclic number.

It is not a de Polignac number, because 12147247101 - 22 = 12147247097 is a prime.

It is a super-2 number, since 2×121472471012 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147247109) 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, 184049166 + ... + 184049231.

It is an arithmetic number, because the mean of its divisors is an integer number (2208590388).

Almost surely, 212147247101 is an apocalyptic number.

12147247101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12147247101 is a deficient number, since it is larger than the sum of its proper divisors (5521476003).

12147247101 is a wasteful number, since it uses less digits than its factorization.

12147247101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368098411.

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 12147247101 in words is "twelve billion, one hundred forty-seven million, two hundred forty-seven thousand, one hundred one".

Divisors: 1 3 11 33 368098397 1104295191 4049082367 12147247101