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13122413552345 = 56174929574201
BaseRepresentation
bin1011111011110100110011…
…0011000110001011011001
31201110111020120012022011112
42332331030303012023121
53204444200332133340
643524204211510105
72523030432543506
oct276751463061331
951414216168145
1013122413552345
1141aa203393479
12157b2658b8335
13742590bc4b66
143351b1b184ad
1517b52648e065
hexbef4ccc62d9

13122413552345 has 16 divisors (see below), whose sum is σ = 16005283579920. Its totient is φ = 10325677824000.

The previous prime is 13122413552327. The next prime is 13122413552389. The reversal of 13122413552345 is 54325531422131.

It can be written as a sum of positive squares in 8 ways, for example, as 137460753049 + 12984952799296 = 370757^2 + 3603464^2 .

It is not a de Polignac number, because 13122413552345 - 214 = 13122413535961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22566245 + ... + 23140445.

It is an arithmetic number, because the mean of its divisors is an integer number (1000330223745).

Almost surely, 213122413552345 is an apocalyptic number.

It is an amenable number.

13122413552345 is a deficient number, since it is larger than the sum of its proper divisors (2882870027575).

13122413552345 is an equidigital number, since it uses as much as digits as its factorization.

13122413552345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649196.

The product of its digits is 432000, while the sum is 41.

Adding to 13122413552345 its reverse (54325531422131), we get a palindrome (67447944974476).

The spelling of 13122413552345 in words is "thirteen trillion, one hundred twenty-two billion, four hundred thirteen million, five hundred fifty-two thousand, three hundred forty-five".

Divisors: 1 5 61 305 74929 374645 574201 2871005 4570669 22853345 35026261 175131305 43024306729 215121533645 2624482710469 13122413552345