Base | Representation |
---|---|
bin | 111111011111101… |
… | …0101010011010110 |
3 | 12111110222012211122 |
4 | 1332333111103112 |
5 | 13330404002132 |
6 | 551224403542 |
7 | 103540135136 |
oct | 17677252326 |
9 | 5443865748 |
10 | 2130531542 |
11 | 9a36a1977 |
12 | 4b56165b2 |
13 | 27c51aa69 |
14 | 162d56ac6 |
15 | c7098912 |
hex | 7efd54d6 |
2130531542 has 8 divisors (see below), whose sum is σ = 3208233096. Its totient is φ = 1061120512.
The previous prime is 2130531527. The next prime is 2130531563. The reversal of 2130531542 is 2451350312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071988 + ... + 2073015.
It is an arithmetic number, because the mean of its divisors is an integer number (401029137).
Almost surely, 22130531542 is an apocalyptic number.
2130531542 is a deficient number, since it is larger than the sum of its proper divisors (1077701554).
2130531542 is a wasteful number, since it uses less digits than its factorization.
2130531542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4145262.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 2130531542 is about 46157.6812892502. The cubic root of 2130531542 is about 1286.7553701214.
Adding to 2130531542 its reverse (2451350312), we get a palindrome (4581881854).
The spelling of 2130531542 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, five hundred forty-two".
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