Base | Representation |
---|---|
bin | 100111000110101… |
… | …0001011001110001 |
3 | 10101102221200120102 |
4 | 1032031101121301 |
5 | 10141344231001 |
6 | 334110522145 |
7 | 44341453160 |
oct | 11615213161 |
9 | 3342850512 |
10 | 1312102001 |
11 | 613713721 |
12 | 307506355 |
13 | 17bab4522 |
14 | c63913d7 |
15 | 7a2d0e6b |
hex | 4e351671 |
1312102001 has 16 divisors (see below), whose sum is σ = 1550496768. Its totient is φ = 1086566400.
The previous prime is 1312101983. The next prime is 1312102027. The reversal of 1312102001 is 1002012131.
It is a cyclic number.
It is not a de Polignac number, because 1312102001 - 222 = 1307907697 is a prime.
It is a super-2 number, since 2×13121020012 = 3443223322056408002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1312102601) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134381 + ... + 143813.
It is an arithmetic number, because the mean of its divisors is an integer number (96906048).
Almost surely, 21312102001 is an apocalyptic number.
It is an amenable number.
1312102001 is a deficient number, since it is larger than the sum of its proper divisors (238394767).
1312102001 is an equidigital number, since it uses as much as digits as its factorization.
1312102001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10112.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1312102001 is about 36222.9485409457. The cubic root of 1312102001 is about 1094.7691043083.
Adding to 1312102001 its reverse (1002012131), we get a palindrome (2314114132).
The spelling of 1312102001 in words is "one billion, three hundred twelve million, one hundred two thousand, one".
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