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12215301151 = 107114161693
BaseRepresentation
bin10110110000001011…
…01011010000011111
31011112022020121000011
423120011223100133
5200004104114101
65340040144051
7611464226614
oct133005532037
934468217004
1012215301151
1151a9245609
12244aa68027
1311c8948561
1483c46450b
154b75ed751
hex2d816b41f

12215301151 has 4 divisors (see below), whose sum is σ = 12329462952. Its totient is φ = 12101139352.

The previous prime is 12215301113. The next prime is 12215301157. The reversal of 12215301151 is 15110351221.

12215301151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15110351221 = 72158621603.

It is a cyclic number.

It is not a de Polignac number, because 12215301151 - 219 = 12214776863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215301157) 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 3 ways as a sum of consecutive naturals, for example, 57080740 + ... + 57080953.

It is an arithmetic number, because the mean of its divisors is an integer number (3082365738).

Almost surely, 212215301151 is an apocalyptic number.

12215301151 is a deficient number, since it is larger than the sum of its proper divisors (114161801).

12215301151 is a wasteful number, since it uses less digits than its factorization.

12215301151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114161800.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 12215301151 its reverse (15110351221), we get a palindrome (27325652372).

The spelling of 12215301151 in words is "twelve billion, two hundred fifteen million, three hundred one thousand, one hundred fifty-one".

Divisors: 1 107 114161693 12215301151