Base | Representation |
---|---|
bin | 11000111110000000… |
… | …00110101110110011 |
3 | 1021121012220201210002 |
4 | 30133000012232303 |
5 | 204423141220110 |
6 | 10054100100215 |
7 | 653121550106 |
oct | 143700065663 |
9 | 37535821702 |
10 | 13405023155 |
11 | 5759871337 |
12 | 272139466b |
13 | 1358281784 |
14 | 91247a73d |
15 | 536ca8aa5 |
hex | 31f006bb3 |
13405023155 has 8 divisors (see below), whose sum is σ = 16251863712. Its totient is φ = 10613461248.
The previous prime is 13405023119. The next prime is 13405023161. The reversal of 13405023155 is 55132050431.
13405023155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13405023155 - 216 = 13404957619 is a prime.
It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 13819127 + ... + 13820096.
It is an arithmetic number, because the mean of its divisors is an integer number (2031482964).
Almost surely, 213405023155 is an apocalyptic number.
13405023155 is a deficient number, since it is larger than the sum of its proper divisors (2846840557).
13405023155 is an equidigital number, since it uses as much as digits as its factorization.
13405023155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27639325.
The product of its (nonzero) digits is 9000, while the sum is 29.
Adding to 13405023155 its reverse (55132050431), we get a palindrome (68537073586).
The spelling of 13405023155 in words is "thirteen billion, four hundred five million, twenty-three thousand, one hundred fifty-five".
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