Base | Representation |
---|---|
bin | 11100010101100101… |
… | …00011111100100100 |
3 | 1110021020201102002121 |
4 | 32022302203330210 |
5 | 222124113142012 |
6 | 10553340115324 |
7 | 1046000604142 |
oct | 161262437444 |
9 | 43236642077 |
10 | 15213412132 |
11 | 64a7635786 |
12 | 2b46b35b44 |
13 | 1585b1b019 |
14 | a446d8592 |
15 | 5e091ca07 |
hex | 38aca3f24 |
15213412132 has 12 divisors (see below), whose sum is σ = 28189557900. Its totient is φ = 7159252736.
The previous prime is 15213412111. The next prime is 15213412141. The reversal of 15213412132 is 23121431251.
15213412132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 7161221376 + 8052190756 = 84624^2 + 89734^2 .
It is a super-3 number, since 3×152134121323 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15213412097 and 15213412106.
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 3 ways as a sum of consecutive naturals, for example, 111863257 + ... + 111863392.
It is an arithmetic number, because the mean of its divisors is an integer number (2349129825).
Almost surely, 215213412132 is an apocalyptic number.
It is an amenable number.
15213412132 is a deficient number, since it is larger than the sum of its proper divisors (12976145768).
15213412132 is a wasteful number, since it uses less digits than its factorization.
15213412132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223726670 (or 223726668 counting only the distinct ones).
The product of its digits is 1440, while the sum is 25.
Adding to 15213412132 its reverse (23121431251), we get a palindrome (38334843383).
The spelling of 15213412132 in words is "fifteen billion, two hundred thirteen million, four hundred twelve thousand, one hundred thirty-two".
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