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12554250500145 = 352640731694249
BaseRepresentation
bin1011011010110000001110…
…1001000011100000110001
31122110011201022011202201010
42312230003221003200301
53121142101112001040
642411202033501133
72434005013355334
oct266540351034061
948404638152633
1012554250500145
114000256133a92
1214a91211117a9
13700b26088003
143158b3c5261b
1516b871650e80
hexb6b03a43831

12554250500145 has 16 divisors (see below), whose sum is σ = 20087562096000. Its totient is φ = 6695346501504.

The previous prime is 12554250500123. The next prime is 12554250500149. The reversal of 12554250500145 is 54100505245521.

It is a happy number.

It is not a de Polignac number, because 12554250500145 - 26 = 12554250500081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12554250500149) 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 15 ways as a sum of consecutive naturals, for example, 15451020 + ... + 16243229.

It is an arithmetic number, because the mean of its divisors is an integer number (1255472631000).

Almost surely, 212554250500145 is an apocalyptic number.

12554250500145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12554250500145 is a deficient number, since it is larger than the sum of its proper divisors (7533311595855).

12554250500145 is a wasteful number, since it uses less digits than its factorization.

12554250500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31720664.

The product of its (nonzero) digits is 200000, while the sum is 39.

Adding to 12554250500145 its reverse (54100505245521), we get a palindrome (66654755745666).

The spelling of 12554250500145 in words is "twelve trillion, five hundred fifty-four billion, two hundred fifty million, five hundred thousand, one hundred forty-five".

Divisors: 1 3 5 15 26407 79221 132035 396105 31694249 95082747 158471245 475413735 836950033343 2510850100029 4184750166715 12554250500145