Base | Representation |
---|---|
bin | 100101101010111110… |
… | …0011110001111100110 |
3 | 21201210222101101200212 |
4 | 1023111330132033212 |
5 | 2311140043421404 |
6 | 101055302135422 |
7 | 5562514355261 |
oct | 1132574361746 |
9 | 251728341625 |
10 | 80898810854 |
11 | 313442a6a74 |
12 | 13818a21572 |
13 | 7823403164 |
14 | 3cb62a5cd8 |
15 | 218736306e |
hex | 12d5f1e3e6 |
80898810854 has 8 divisors (see below), whose sum is σ = 123337531488. Its totient is φ = 39786300360.
The previous prime is 80898810851. The next prime is 80898810887. The reversal of 80898810854 is 45801889808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 80898810793 and 80898810802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80898810851) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331552382 + ... + 331552625.
It is an arithmetic number, because the mean of its divisors is an integer number (15417191436).
Almost surely, 280898810854 is an apocalyptic number.
80898810854 is a deficient number, since it is larger than the sum of its proper divisors (42438720634).
80898810854 is a wasteful number, since it uses less digits than its factorization.
80898810854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663105070.
The product of its (nonzero) digits is 5898240, while the sum is 59.
The spelling of 80898810854 in words is "eighty billion, eight hundred ninety-eight million, eight hundred ten thousand, eight hundred fifty-four".
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