Base | Representation |
---|---|
bin | 100100101100010… |
… | …1101011100001000 |
3 | 10011210202011120021 |
4 | 1021120231130020 |
5 | 10010142324334 |
6 | 322101110224 |
7 | 42340102123 |
oct | 11130553410 |
9 | 3153664507 |
10 | 1231214344 |
11 | 581a96618 |
12 | 2a43b8374 |
13 | 1681030c9 |
14 | b97373ba |
15 | 731543b4 |
hex | 4962d708 |
1231214344 has 8 divisors (see below), whose sum is σ = 2308526910. Its totient is φ = 615607168.
The previous prime is 1231214339. The next prime is 1231214359. The reversal of 1231214344 is 4434121321.
It can be written as a sum of positive squares in only one way, i.e., 1086493444 + 144720900 = 32962^2 + 12030^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 76950889 + ... + 76950904.
Almost surely, 21231214344 is an apocalyptic number.
It is an amenable number.
1231214344 is a deficient number, since it is larger than the sum of its proper divisors (1077312566).
1231214344 is a wasteful number, since it uses less digits than its factorization.
1231214344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153901799 (or 153901795 counting only the distinct ones).
The product of its digits is 2304, while the sum is 25.
The square root of 1231214344 is about 35088.6640384042. The cubic root of 1231214344 is about 1071.7937548758.
Adding to 1231214344 its reverse (4434121321), we get a palindrome (5665335665).
The spelling of 1231214344 in words is "one billion, two hundred thirty-one million, two hundred fourteen thousand, three hundred forty-four".
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