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13122230330305 = 519229614109629
BaseRepresentation
bin1011111011110100000111…
…1000001010001111000001
31201110110202210102122210001
42332331001320022033001
53204443311431032210
643524134104440001
72523023046305455
oct276750170121701
951413683378701
1013122230330305
1141aa119a1aaa8
12157b214479001
13742561c63555
14335195662665
1517b51534b03a
hexbef41e0a3c1

13122230330305 has 48 divisors (see below), whose sum is σ = 17473982374800. Its totient is φ = 9444911454720.

The previous prime is 13122230330263. The next prime is 13122230330309. The reversal of 13122230330305 is 50303303222131.

13122230330305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3838917681 + 13118391412624 = 61959^2 + 3621932^2 .

It is not a de Polignac number, because 13122230330305 - 225 = 13122196775873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122230330309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1138231 + ... + 5247859.

It is an arithmetic number, because the mean of its divisors is an integer number (364041299475).

Almost surely, 213122230330305 is an apocalyptic number.

It is an amenable number.

13122230330305 is a deficient number, since it is larger than the sum of its proper divisors (4351752044495).

13122230330305 is a wasteful number, since it uses less digits than its factorization.

13122230330305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109762 (or 4109743 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 13122230330305 its reverse (50303303222131), we get a palindrome (63425533552436).

The spelling of 13122230330305 in words is "thirteen trillion, one hundred twenty-two billion, two hundred thirty million, three hundred thirty thousand, three hundred five".

Divisors: 1 5 19 29 61 95 145 305 361 551 1159 1769 1805 2755 5795 8845 10469 22021 33611 52345 110105 168055 638609 3193045 4109629 20548145 78082951 119179241 250687369 390414755 595896205 1253436845 1483576069 2264405579 4763060011 7269933701 7417880345 11322027895 23815300055 36349668505 43023706001 90498140209 138128740319 215118530005 452490701045 690643701595 2624446066061 13122230330305