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12150210045 = 3513112315023
BaseRepresentation
bin10110101000011010…
…10111110111111101
31011100202202121210110
423110031113313331
5144340423210140
65325353100233
7610044036621
oct132415276775
934322677713
1012150210045
115175527706
1224310b7679
1311b83081cc
1483395d181
154b1a42380
hex2d4357dfd

12150210045 has 32 divisors (see below), whose sum is σ = 19608551424. Its totient is φ = 6424142400.

The previous prime is 12150210013. The next prime is 12150210047. The reversal of 12150210045 is 54001205121.

It is not a de Polignac number, because 12150210045 - 25 = 12150210013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150210047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2416404 + ... + 2421426.

It is an arithmetic number, because the mean of its divisors is an integer number (612767232).

Almost surely, 212150210045 is an apocalyptic number.

12150210045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12150210045 is a deficient number, since it is larger than the sum of its proper divisors (7458341379).

12150210045 is a wasteful number, since it uses less digits than its factorization.

12150210045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12150210045 its reverse (54001205121), we get a palindrome (66151415166).

The spelling of 12150210045 in words is "twelve billion, one hundred fifty million, two hundred ten thousand, forty-five".

Divisors: 1 3 5 15 131 393 655 1231 1965 3693 5023 6155 15069 18465 25115 75345 161261 483783 658013 806305 1974039 2418915 3290065 6183313 9870195 18549939 30916565 92749695 810014003 2430042009 4050070015 12150210045