Base | Representation |
---|---|
bin | 101000001011000… |
… | …1101101110101001 |
3 | 10110221111112022011 |
4 | 1100112031232221 |
5 | 10230042010211 |
6 | 341432155521 |
7 | 45255550066 |
oct | 12026155651 |
9 | 3427445264 |
10 | 1348000681 |
11 | 631a02955 |
12 | 317538ba1 |
13 | 186373351 |
14 | cb057c6d |
15 | 7d522921 |
hex | 5058dba9 |
1348000681 has 2 divisors, whose sum is σ = 1348000682. Its totient is φ = 1348000680.
The previous prime is 1348000651. The next prime is 1348000697. The reversal of 1348000681 is 1860008431.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 927750681 + 420250000 = 30459^2 + 20500^2 .
It is an emirp because it is prime and its reverse (1860008431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1348000681 - 219 = 1347476393 is a prime.
It is a super-2 number, since 2×13480006812 = 3634211671952927522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1348000651) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674000340 + 674000341.
It is an arithmetic number, because the mean of its divisors is an integer number (674000341).
Almost surely, 21348000681 is an apocalyptic number.
It is an amenable number.
1348000681 is a deficient number, since it is larger than the sum of its proper divisors (1).
1348000681 is an equidigital number, since it uses as much as digits as its factorization.
1348000681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 1348000681 is about 36715.1287754789. The cubic root of 1348000681 is about 1104.6635834263.
The spelling of 1348000681 in words is "one billion, three hundred forty-eight million, six hundred eighty-one", and thus it is an aban number.
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