Base | Representation |
---|---|
bin | 101101111101111… |
… | …0110011100100001 |
3 | 10222111022212012111 |
4 | 1123323312130201 |
5 | 11124324304121 |
6 | 413015155321 |
7 | 53136215056 |
oct | 13373663441 |
9 | 3874285174 |
10 | 1542416161 |
11 | 721721100 |
12 | 370675b41 |
13 | 1b77237b0 |
14 | 108bc502d |
15 | 906272e1 |
hex | 5bef6721 |
1542416161 has 12 divisors (see below), whose sum is σ = 1825798996. Its totient is φ = 1294333920.
The previous prime is 1542416131. The next prime is 1542416201. The reversal of 1542416161 is 1616142451.
It can be written as a sum of positive squares in 2 ways, for example, as 474368400 + 1068047761 = 21780^2 + 32681^2 .
It is not a de Polignac number, because 1542416161 - 27 = 1542416033 is a prime.
It is a super-2 number, since 2×15424161612 = 4758095227427955842, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1542416101) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 488706 + ... + 491851.
Almost surely, 21542416161 is an apocalyptic number.
1542416161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1542416161 is a deficient number, since it is larger than the sum of its proper divisors (283382835).
1542416161 is a wasteful number, since it uses less digits than its factorization.
1542416161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980592 (or 980581 counting only the distinct ones).
The product of its digits is 5760, while the sum is 31.
The square root of 1542416161 is about 39273.6064170328. The cubic root of 1542416161 is about 1155.4039705585.
The spelling of 1542416161 in words is "one billion, five hundred forty-two million, four hundred sixteen thousand, one hundred sixty-one".
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