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12150231455 = 510722710713
BaseRepresentation
bin10110101000011010…
…11101000110011111
31011100202210201011102
423110031131012133
5144340424401310
65325353343315
7610044156215
oct132415350637
934322721142
1012150231455
1151755417aa
122431107b3b
1311b8314b8b
14833966cb5
154b1a488a5
hex2d435d19f

12150231455 has 8 divisors (see below), whose sum is σ = 14716542672. Its totient is φ = 9629341888.

The previous prime is 12150231451. The next prime is 12150231463. The reversal of 12150231455 is 55413205121.

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 12150231455 - 22 = 12150231451 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 (12150231451) by changing a digit.

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, 11354822 + ... + 11355891.

It is an arithmetic number, because the mean of its divisors is an integer number (1839567834).

Almost surely, 212150231455 is an apocalyptic number.

12150231455 is a deficient number, since it is larger than the sum of its proper divisors (2566311217).

12150231455 is a wasteful number, since it uses less digits than its factorization.

12150231455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22710825.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 12150231455 its reverse (55413205121), we get a palindrome (67563436576).

The spelling of 12150231455 in words is "twelve billion, one hundred fifty million, two hundred thirty-one thousand, four hundred fifty-five".

Divisors: 1 5 107 535 22710713 113553565 2430046291 12150231455