Base | Representation |
---|---|
bin | 10111010011100110111… |
… | …00100111110101010000 |
3 | 2211120000011222121011212 |
4 | 23221303130213311100 |
5 | 101110020001100310 |
6 | 1411514404155252 |
7 | 111566406330101 |
oct | 13516334476520 |
9 | 2746004877155 |
10 | 800800800080 |
11 | 2896881a1746 |
12 | 10b24a698b28 |
13 | 5a690b4c788 |
14 | 2aa8a85c3a8 |
15 | 15c6d776205 |
hex | ba73727d50 |
800800800080 has 40 divisors (see below), whose sum is σ = 1862237630592. Its totient is φ = 320255671424.
The previous prime is 800800800073. The next prime is 800800800101. The reversal of 800800800080 is 80008008008.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
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, 610292 + ... + 1405011.
Almost surely, 2800800800080 is an apocalyptic number.
800800800080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
800800800080 is an abundant number, since it is smaller than the sum of its proper divisors (1061436830512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800800800080 is a wasteful number, since it uses less digits than its factorization.
800800800080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2020283 (or 2020277 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 32.
Adding to 800800800080 its reverse (80008008008), we get a palindrome (880808808088).
The spelling of 800800800080 in words is "eight hundred billion, eight hundred million, eight hundred thousand, eighty".
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