Base | Representation |
---|---|
bin | 11000011101110110… |
… | …01001010010010101 |
3 | 1020220102100201221121 |
4 | 30032323021102111 |
5 | 203400113144240 |
6 | 10011222443541 |
7 | 643335046450 |
oct | 141673112225 |
9 | 36812321847 |
10 | 13135287445 |
11 | 5630588965 |
12 | 2666b935b1 |
13 | 131441c047 |
14 | 8c8704497 |
15 | 51d27704a |
hex | 30eec9495 |
13135287445 has 16 divisors (see below), whose sum is σ = 18021000960. Its totient is φ = 9003608064.
The previous prime is 13135287437. The next prime is 13135287467. The reversal of 13135287445 is 54478253131.
It is a happy number.
13135287445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13135287445 - 23 = 13135287437 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22741 + ... + 163669.
It is an arithmetic number, because the mean of its divisors is an integer number (1126312560).
Almost surely, 213135287445 is an apocalyptic number.
It is an amenable number.
13135287445 is a deficient number, since it is larger than the sum of its proper divisors (4885713515).
13135287445 is a wasteful number, since it uses less digits than its factorization.
13135287445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143604.
The product of its digits is 403200, while the sum is 43.
The spelling of 13135287445 in words is "thirteen billion, one hundred thirty-five million, two hundred eighty-seven thousand, four hundred forty-five".
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