Base | Representation |
---|---|
bin | 100111000100100… |
… | …0111010010100111 |
3 | 10101100220022101021 |
4 | 1032021013102213 |
5 | 10141104341012 |
6 | 334031312011 |
7 | 44326263304 |
oct | 11611072247 |
9 | 3340808337 |
10 | 1311012007 |
11 | 6130397a8 |
12 | 30707b607 |
13 | 17b7c2366 |
14 | c618a0ab |
15 | 7a168007 |
hex | 4e2474a7 |
1311012007 has 2 divisors, whose sum is σ = 1311012008. Its totient is φ = 1311012006.
The previous prime is 1311011971. The next prime is 1311012071. The reversal of 1311012007 is 7002101131.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1311012007 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1311012607) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655506003 + 655506004.
It is an arithmetic number, because the mean of its divisors is an integer number (655506004).
Almost surely, 21311012007 is an apocalyptic number.
1311012007 is a deficient number, since it is larger than the sum of its proper divisors (1).
1311012007 is an equidigital number, since it uses as much as digits as its factorization.
1311012007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42, while the sum is 16.
The square root of 1311012007 is about 36207.8997872011. The cubic root of 1311012007 is about 1094.4658701749.
Adding to 1311012007 its reverse (7002101131), we get a palindrome (8313113138).
The spelling of 1311012007 in words is "one billion, three hundred eleven million, twelve thousand, seven".
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