Base | Representation |
---|---|
bin | 11000011001111010… |
… | …11011101000011101 |
3 | 1020211010100110012001 |
4 | 30030331123220131 |
5 | 203313144114240 |
6 | 10004044242301 |
7 | 642454662646 |
oct | 141475335035 |
9 | 36733313161 |
10 | 13102332445 |
11 | 5613a1a324 |
12 | 2657b40391 |
13 | 130a651047 |
14 | 8c41a66cd |
15 | 51a41789a |
hex | 30cf5ba1d |
13102332445 has 4 divisors (see below), whose sum is σ = 15722798940. Its totient is φ = 10481865952.
The previous prime is 13102332427. The next prime is 13102332473. The reversal of 13102332445 is 54423320131.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54423320131 = 89 ⋅611497979.
It can be written as a sum of positive squares in 2 ways, for example, as 5180976441 + 7921356004 = 71979^2 + 89002^2 .
It is a cyclic number.
It is not a de Polignac number, because 13102332445 - 25 = 13102332413 is a prime.
It is a super-2 number, since 2×131023324452 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1310233240 + ... + 1310233249.
It is an arithmetic number, because the mean of its divisors is an integer number (3930699735).
Almost surely, 213102332445 is an apocalyptic number.
It is an amenable number.
13102332445 is a deficient number, since it is larger than the sum of its proper divisors (2620466495).
13102332445 is an equidigital number, since it uses as much as digits as its factorization.
13102332445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2620466494.
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 13102332445 its reverse (54423320131), we get a palindrome (67525652576).
The spelling of 13102332445 in words is "thirteen billion, one hundred two million, three hundred thirty-two thousand, four hundred forty-five".
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