Base | Representation |
---|---|
bin | 100100101110000… |
… | …1101010010001010 |
3 | 10011212110202021021 |
4 | 1021130031102022 |
5 | 10010411144320 |
6 | 322132503054 |
7 | 42350641162 |
oct | 11134152212 |
9 | 3155422237 |
10 | 1232131210 |
11 | 582562462 |
12 | 2a477aa8a |
13 | 16836452b |
14 | b98d55a2 |
15 | 73285daa |
hex | 4970d48a |
1232131210 has 16 divisors (see below), whose sum is σ = 2222202600. Its totient is φ = 491882176.
The previous prime is 1232131189. The next prime is 1232131211. The reversal of 1232131210 is 121312321.
It can be written as a sum of positive squares in 4 ways, for example, as 1229694489 + 2436721 = 35067^2 + 1561^2 .
It is not an unprimeable number, because it can be changed into a prime (1232131211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115945 + ... + 126124.
Almost surely, 21232131210 is an apocalyptic number.
1232131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1232131210 is a deficient number, since it is larger than the sum of its proper divisors (990071390).
1232131210 is a wasteful number, since it uses less digits than its factorization.
1232131210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242585.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1232131210 is about 35101.7265957104. The cubic root of 1232131210 is about 1072.0597381919.
Adding to 1232131210 its reverse (121312321), we get a palindrome (1353443531).
The spelling of 1232131210 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred ten".
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