Base | Representation |
---|---|
bin | 100101101100001100… |
… | …1111001111100110010 |
3 | 21201220212001010121210 |
4 | 1023120121321330302 |
5 | 2311231130042241 |
6 | 101103334500550 |
7 | 5563525223244 |
oct | 1133031717462 |
9 | 251825033553 |
10 | 80940080946 |
11 | 3136562488a |
12 | 1382a804756 |
13 | 782bb22b2a |
14 | 3cbb96a094 |
15 | 218acb6316 |
hex | 12d8679f32 |
80940080946 has 16 divisors (see below), whose sum is σ = 167462236800. Its totient is φ = 26049681168.
The previous prime is 80940080939. The next prime is 80940080971. The reversal of 80940080946 is 64908004908.
It is a junction number, because it is equal to n+sod(n) for n = 80940080895 and 80940080904.
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, 232586266 + ... + 232586613.
It is an arithmetic number, because the mean of its divisors is an integer number (10466389800).
Almost surely, 280940080946 is an apocalyptic number.
80940080946 is an abundant number, since it is smaller than the sum of its proper divisors (86522155854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80940080946 is a wasteful number, since it uses less digits than its factorization.
80940080946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465172913.
The product of its (nonzero) digits is 497664, while the sum is 48.
The spelling of 80940080946 in words is "eighty billion, nine hundred forty million, eighty thousand, nine hundred forty-six".
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