Base | Representation |
---|---|
bin | 100101100000010101… |
… | …1001001000011010100 |
3 | 21200220002212210020120 |
4 | 1023000223021003110 |
5 | 2304422214233233 |
6 | 101000033231540 |
7 | 5550622150203 |
oct | 1130053110324 |
9 | 250802783216 |
10 | 80541946068 |
11 | 311809131a1 |
12 | 137394025b0 |
13 | 77974b546c |
14 | 3c80b2d23a |
15 | 2165d704b3 |
hex | 12c0ac90d4 |
80541946068 has 12 divisors (see below), whose sum is σ = 187931207520. Its totient is φ = 26847315352.
The previous prime is 80541946039. The next prime is 80541946073. The reversal of 80541946068 is 86064914508.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 80541946068.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355914408 + ... + 3355914431.
It is an arithmetic number, because the mean of its divisors is an integer number (15660933960).
Almost surely, 280541946068 is an apocalyptic number.
It is an amenable number.
80541946068 is an abundant number, since it is smaller than the sum of its proper divisors (107389261452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80541946068 is a wasteful number, since it uses less digits than its factorization.
80541946068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6711828846 (or 6711828844 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 51.
The spelling of 80541946068 in words is "eighty billion, five hundred forty-one million, nine hundred forty-six thousand, sixty-eight".
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