Base | Representation |
---|---|
bin | 11100101011110101… |
… | …10000100101000101 |
3 | 1110202021000122222110 |
4 | 32111322300211011 |
5 | 223014412013110 |
6 | 11024045451233 |
7 | 1053425531031 |
oct | 162572604505 |
9 | 43667018873 |
10 | 15400110405 |
11 | 6592a62979 |
12 | 2b99570b19 |
13 | 15b56c8984 |
14 | a614171c1 |
15 | 601eeaa20 |
hex | 395eb0945 |
15400110405 has 64 divisors (see below), whose sum is σ = 25880444928. Its totient is φ = 7810490880.
The previous prime is 15400110403. The next prime is 15400110421. The reversal of 15400110405 is 50401100451.
15400110405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 15400110405 - 21 = 15400110403 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15400110403) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 6560442 + ... + 6562788.
It is an arithmetic number, because the mean of its divisors is an integer number (404381952).
Almost surely, 215400110405 is an apocalyptic number.
15400110405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15400110405 is a deficient number, since it is larger than the sum of its proper divisors (10480334523).
15400110405 is a wasteful number, since it uses less digits than its factorization.
15400110405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2626.
The product of its (nonzero) digits is 400, while the sum is 21.
Adding to 15400110405 its reverse (50401100451), we get a palindrome (65801210856).
The spelling of 15400110405 in words is "fifteen billion, four hundred million, one hundred ten thousand, four hundred five".
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