Base | Representation |
---|---|
bin | 100111101010111… |
… | …1001111100111110 |
3 | 10102202210001011200 |
4 | 1033111321330332 |
5 | 10211233024322 |
6 | 340031000330 |
7 | 44662344546 |
oct | 11725717476 |
9 | 3382701150 |
10 | 1331142462 |
11 | 623439041 |
12 | 3119690a6 |
13 | 182a1cc80 |
14 | c8b0a326 |
15 | 7bce28ac |
hex | 4f579f3e |
1331142462 has 48 divisors (see below), whose sum is σ = 3111697680. Its totient is φ = 408830976.
The previous prime is 1331142431. The next prime is 1331142467. The reversal of 1331142462 is 2642411331.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331142467) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130089 + ... + 139947.
It is an arithmetic number, because the mean of its divisors is an integer number (64827035).
Almost surely, 21331142462 is an apocalyptic number.
1331142462 is an abundant number, since it is smaller than the sum of its proper divisors (1780555218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1331142462 is a wasteful number, since it uses less digits than its factorization.
1331142462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10457 (or 10454 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 1331142462 is about 36484.8250920845. The cubic root of 1331142462 is about 1100.0392443299.
Adding to 1331142462 its reverse (2642411331), we get a palindrome (3973553793).
The spelling of 1331142462 in words is "one billion, three hundred thirty-one million, one hundred forty-two thousand, four hundred sixty-two".
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