Base | Representation |
---|---|
bin | 100101011010011111… |
… | …1000000000010100101 |
3 | 21200101102211211022210 |
4 | 1022310333000002211 |
5 | 2304022012403240 |
6 | 100524345514033 |
7 | 5543021151024 |
oct | 1126477000245 |
9 | 250342754283 |
10 | 80345825445 |
11 | 3109013a936 |
12 | 136a37a2919 |
13 | 7765988b62 |
14 | 3c62a7a8bb |
15 | 2153a30780 |
hex | 12b4fc00a5 |
80345825445 has 64 divisors (see below), whose sum is σ = 140081760000. Its totient is φ = 39168976896.
The previous prime is 80345825431. The next prime is 80345825453. The reversal of 80345825445 is 54452854308.
It is not a de Polignac number, because 80345825445 - 218 = 80345563301 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80345825394 and 80345825403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17660031 + ... + 17664579.
It is an arithmetic number, because the mean of its divisors is an integer number (2188777500).
Almost surely, 280345825445 is an apocalyptic number.
It is an amenable number.
80345825445 is a deficient number, since it is larger than the sum of its proper divisors (59735934555).
80345825445 is a wasteful number, since it uses less digits than its factorization.
80345825445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6742.
The product of its (nonzero) digits is 3072000, while the sum is 48.
The spelling of 80345825445 in words is "eighty billion, three hundred forty-five million, eight hundred twenty-five thousand, four hundred forty-five".
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