Base | Representation |
---|---|
bin | 101101111101100… |
… | …0100101000100101 |
3 | 10222110221111022220 |
4 | 1123323010220211 |
5 | 11124301242013 |
6 | 413010542553 |
7 | 53134405200 |
oct | 13373045045 |
9 | 3873844286 |
10 | 1542212133 |
11 | 7215a1890 |
12 | 370597a59 |
13 | 1b7681977 |
14 | 108b70937 |
15 | 905d6b23 |
hex | 5bec4a25 |
1542212133 has 96 divisors (see below), whose sum is σ = 2713564800. Its totient is φ = 769789440.
The previous prime is 1542212107. The next prime is 1542212153. The reversal of 1542212133 is 3312122451.
It is not a de Polignac number, because 1542212133 - 220 = 1541163557 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1542212153) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8914435 + ... + 8914607.
It is an arithmetic number, because the mean of its divisors is an integer number (28266300).
Almost surely, 21542212133 is an apocalyptic number.
It is an amenable number.
1542212133 is a deficient number, since it is larger than the sum of its proper divisors (1171352667).
1542212133 is a wasteful number, since it uses less digits than its factorization.
1542212133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387 (or 380 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 1542212133 is about 39271.0088105717. The cubic root of 1542212133 is about 1155.3530234013.
Adding to 1542212133 its reverse (3312122451), we get a palindrome (4854334584).
The spelling of 1542212133 in words is "one billion, five hundred forty-two million, two hundred twelve thousand, one hundred thirty-three".
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