Base | Representation |
---|---|
bin | 100101010000001100… |
… | …0000010110110001000 |
3 | 21122111100020120122112 |
4 | 1022200120002312020 |
5 | 2302320004202000 |
6 | 100430155041452 |
7 | 5531322236525 |
oct | 1124030026610 |
9 | 248440216575 |
10 | 80000069000 |
11 | 30a22a53a05 |
12 | 13607a40288 |
13 | 770c15a347 |
14 | 3c2cb9614c |
15 | 21334d4235 |
hex | 12a0602d88 |
80000069000 has 32 divisors (see below), whose sum is σ = 187200163800. Its totient is φ = 32000027200.
The previous prime is 80000068957. The next prime is 80000069041. The reversal of 80000069000 is 96000008.
It can be written as a sum of positive squares in 4 ways, for example, as 51237944164 + 28762124836 = 226358^2 + 169594^2 .
It is a super-2 number, since 2×800000690002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39999035 + ... + 40001034.
Almost surely, 280000069000 is an apocalyptic number.
It is an amenable number.
80000069000 is an abundant number, since it is smaller than the sum of its proper divisors (107200094800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80000069000 is a wasteful number, since it uses less digits than its factorization.
80000069000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80000090 (or 80000076 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 80000069000 its reverse (96000008), we get a palindrome (80096069008).
The spelling of 80000069000 in words is "eighty billion, sixty-nine thousand".
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