Base | Representation |
---|---|
bin | 100111000111110… |
… | …0110110101100001 |
3 | 10101111002210012001 |
4 | 1032033212311201 |
5 | 10142023322311 |
6 | 334132004001 |
7 | 44346612520 |
oct | 11617466541 |
9 | 3344083161 |
10 | 1312714081 |
11 | 613aa1578 |
12 | 307760601 |
13 | 17bc69cc3 |
14 | c64b04b7 |
15 | 7a3a24c1 |
hex | 4e3e6d61 |
1312714081 has 8 divisors (see below), whose sum is σ = 1500477120. Its totient is φ = 1125009168.
The previous prime is 1312714079. The next prime is 1312714099. The reversal of 1312714081 is 1804172131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312714081 - 21 = 1312714079 is a prime.
It is a super-2 number, since 2×13127140812 = 3446436516911349122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1312714061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58050 + ... + 77428.
It is an arithmetic number, because the mean of its divisors is an integer number (187559640).
Almost surely, 21312714081 is an apocalyptic number.
It is an amenable number.
1312714081 is a deficient number, since it is larger than the sum of its proper divisors (187763039).
1312714081 is an equidigital number, since it uses as much as digits as its factorization.
1312714081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29063.
The product of its (nonzero) digits is 1344, while the sum is 28.
The square root of 1312714081 is about 36231.3963435030. The cubic root of 1312714081 is about 1094.9393101063.
The spelling of 1312714081 in words is "one billion, three hundred twelve million, seven hundred fourteen thousand, eighty-one".
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