Base | Representation |
---|---|
bin | 100101101000000011… |
… | …0000101100110100100 |
3 | 21201120010201020002212 |
4 | 1023100012011212210 |
5 | 2310434432334233 |
6 | 101041434422552 |
7 | 5560213226561 |
oct | 1132006054644 |
9 | 251503636085 |
10 | 80800668068 |
11 | 312a396392a |
12 | 137abb91a58 |
13 | 7808c8cac3 |
14 | 3ca7239868 |
15 | 217d928a48 |
hex | 12d01859a4 |
80800668068 has 12 divisors (see below), whose sum is σ = 141409078860. Its totient is φ = 40398074112.
The previous prime is 80800668059. The next prime is 80800668089. The reversal of 80800668068 is 86086600808.
It can be written as a sum of positive squares in 2 ways, for example, as 9125598784 + 71675069284 = 95528^2 + 267722^2 .
It is a super-2 number, since 2×808006680682 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483221 + ... + 628572.
It is an arithmetic number, because the mean of its divisors is an integer number (11784089905).
Almost surely, 280800668068 is an apocalyptic number.
It is an amenable number.
80800668068 is a deficient number, since it is larger than the sum of its proper divisors (60608410792).
80800668068 is a wasteful number, since it uses less digits than its factorization.
80800668068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1129966 (or 1129964 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 50.
The spelling of 80800668068 in words is "eighty billion, eight hundred million, six hundred sixty-eight thousand, sixty-eight".
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