Base | Representation |
---|---|
bin | 1110110010110000… |
… | …10101000010000001 |
3 | 202111111021102220122 |
4 | 13121120111002001 |
5 | 112231123011034 |
6 | 3352024350025 |
7 | 400544615123 |
oct | 73130250201 |
9 | 22444242818 |
10 | 7942000769 |
11 | 34060637aa |
12 | 1657915315 |
13 | 997516a51 |
14 | 554acb213 |
15 | 31739062e |
hex | 1d9615081 |
7942000769 has 2 divisors, whose sum is σ = 7942000770. Its totient is φ = 7942000768.
The previous prime is 7942000751. The next prime is 7942000777. The reversal of 7942000769 is 9670002497.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6870420544 + 1071580225 = 82888^2 + 32735^2 .
It is a cyclic number.
It is not a de Polignac number, because 7942000769 - 228 = 7673565313 is a prime.
It is a super-2 number, since 2×79420007692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (7942009769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3971000384 + 3971000385.
It is an arithmetic number, because the mean of its divisors is an integer number (3971000385).
Almost surely, 27942000769 is an apocalyptic number.
It is an amenable number.
7942000769 is a deficient number, since it is larger than the sum of its proper divisors (1).
7942000769 is an equidigital number, since it uses as much as digits as its factorization.
7942000769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 190512, while the sum is 44.
The square root of 7942000769 is about 89117.9037511543. The cubic root of 7942000769 is about 1995.1550032308.
The spelling of 7942000769 in words is "seven billion, nine hundred forty-two million, seven hundred sixty-nine", and thus it is an aban number.
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