Base | Representation |
---|---|
bin | 1011101010100000… |
… | …0000000111011101 |
3 | 22002012121201222001 |
4 | 2322220000013131 |
5 | 22403022022123 |
6 | 1234405122301 |
7 | 140406321013 |
oct | 27250000735 |
9 | 8065551861 |
10 | 3131048413 |
11 | 1367439019 |
12 | 7346b9391 |
13 | 3ab8a928c |
14 | 219b9a8b3 |
15 | 134d2d0ad |
hex | baa001dd |
3131048413 has 2 divisors, whose sum is σ = 3131048414. Its totient is φ = 3131048412.
The previous prime is 3131048411. The next prime is 3131048461. The reversal of 3131048413 is 3148401313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2545505209 + 585543204 = 50453^2 + 24198^2 .
It is a cyclic number.
It is not a de Polignac number, because 3131048413 - 21 = 3131048411 is a prime.
Together with 3131048411, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3131048411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565524206 + 1565524207.
It is an arithmetic number, because the mean of its divisors is an integer number (1565524207).
Almost surely, 23131048413 is an apocalyptic number.
It is an amenable number.
3131048413 is a deficient number, since it is larger than the sum of its proper divisors (1).
3131048413 is an equidigital number, since it uses as much as digits as its factorization.
3131048413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 3131048413 is about 55955.7719364142. The cubic root of 3131048413 is about 1462.9514967863.
Adding to 3131048413 its reverse (3148401313), we get a palindrome (6279449726).
The spelling of 3131048413 in words is "three billion, one hundred thirty-one million, forty-eight thousand, four hundred thirteen".
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