Base | Representation |
---|---|
bin | 10110111011100110… |
… | …01111100000110010 |
3 | 1011202222120022111122 |
4 | 23131303033200302 |
5 | 200203122212320 |
6 | 5353342142242 |
7 | 614036616506 |
oct | 133563174062 |
9 | 34688508448 |
10 | 12311132210 |
11 | 5248349933 |
12 | 2476b81982 |
13 | 121275c620 |
14 | 84b08c306 |
15 | 4c0c2cd25 |
hex | 2ddccf832 |
12311132210 has 16 divisors (see below), whose sum is σ = 23864656536. Its totient is φ = 4545648768.
The previous prime is 12311132209. The next prime is 12311132263. The reversal of 12311132210 is 1223111321.
It can be written as a sum of positive squares in 4 ways, for example, as 9064753681 + 3246378529 = 95209^2 + 56977^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47350379 + ... + 47350638.
Almost surely, 212311132210 is an apocalyptic number.
12311132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12311132210 is a deficient number, since it is larger than the sum of its proper divisors (11553524326).
12311132210 is a wasteful number, since it uses less digits than its factorization.
12311132210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94701037.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 12311132210 its reverse (1223111321), we get a palindrome (13534243531).
The spelling of 12311132210 in words is "twelve billion, three hundred eleven million, one hundred thirty-two thousand, two hundred ten".
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