Base | Representation |
---|---|
bin | 10011000101111010011… |
… | …111111111000001000010 |
3 | 11122102112221112102012122 |
4 | 103011322133333001002 |
5 | 132444004134331320 |
6 | 2442422254524242 |
7 | 163535040643334 |
oct | 23057237770102 |
9 | 4572487472178 |
10 | 1312020230210 |
11 | 466474241048 |
12 | 192340b06682 |
13 | 969524c30b1 |
14 | 47705b51454 |
15 | 241de33ed25 |
hex | 1317a7ff042 |
1312020230210 has 8 divisors (see below), whose sum is σ = 2361636414396. Its totient is φ = 524808092080.
The previous prime is 1312020230207. The next prime is 1312020230219. The reversal of 1312020230210 is 120320202131.
It can be written as a sum of positive squares in 2 ways, for example, as 1311636501289 + 383728921 = 1145267^2 + 19589^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1312020230219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65601011501 + ... + 65601011520.
Almost surely, 21312020230210 is an apocalyptic number.
1312020230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312020230210 is a deficient number, since it is larger than the sum of its proper divisors (1049616184186).
1312020230210 is a wasteful number, since it uses less digits than its factorization.
1312020230210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131202023028.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 1312020230210 its reverse (120320202131), we get a palindrome (1432340432341).
The spelling of 1312020230210 in words is "one trillion, three hundred twelve billion, twenty million, two hundred thirty thousand, two hundred ten".
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