Base | Representation |
---|---|
bin | 11000011100010100… |
… | …00010101101000001 |
3 | 1020212112010202212010 |
4 | 30032022002231001 |
5 | 203333314243200 |
6 | 10010042523133 |
7 | 643120455630 |
oct | 141612025501 |
9 | 36775122763 |
10 | 13122415425 |
11 | 5624296a29 |
12 | 26628064a9 |
13 | 1311863172 |
14 | 8c6b13517 |
15 | 51c083150 |
hex | 30e282b41 |
13122415425 has 48 divisors (see below), whose sum is σ = 24805555200. Its totient is φ = 5996293440.
The previous prime is 13122415421. The next prime is 13122415429. The reversal of 13122415425 is 52451422131.
It is an interprime number because it is at equal distance from previous prime (13122415421) and next prime (13122415429).
It is not a de Polignac number, because 13122415425 - 22 = 13122415421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13122415392 and 13122415401.
It is not an unprimeable number, because it can be changed into a prime (13122415421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1898626 + ... + 1905524.
It is an arithmetic number, because the mean of its divisors is an integer number (516782400).
Almost surely, 213122415425 is an apocalyptic number.
13122415425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13122415425 is a deficient number, since it is larger than the sum of its proper divisors (11683139775).
13122415425 is a wasteful number, since it uses less digits than its factorization.
13122415425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10542 (or 10537 counting only the distinct ones).
The product of its digits is 9600, while the sum is 30.
Adding to 13122415425 its reverse (52451422131), we get a palindrome (65573837556).
The spelling of 13122415425 in words is "thirteen billion, one hundred twenty-two million, four hundred fifteen thousand, four hundred twenty-five".
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