Base | Representation |
---|---|
bin | 101111101111101… |
… | …001100001101100 |
3 | 2001211021000212212 |
4 | 233233221201230 |
5 | 3120030120022 |
6 | 211252345552 |
7 | 25564362212 |
oct | 5757514154 |
9 | 2054230785 |
10 | 801020012 |
11 | 381178211 |
12 | 1a43152b8 |
13 | c9c4c250 |
14 | 78552cb2 |
15 | 4a4c93e2 |
hex | 2fbe986c |
801020012 has 72 divisors (see below), whose sum is σ = 1618378272. Its totient is φ = 344736000.
The previous prime is 801019981. The next prime is 801020023. The reversal of 801020012 is 210020108.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332512 + ... + 1333112.
It is an arithmetic number, because the mean of its divisors is an integer number (22477476).
Almost surely, 2801020012 is an apocalyptic number.
It is an amenable number.
801020012 is an abundant number, since it is smaller than the sum of its proper divisors (817358260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801020012 is a wasteful number, since it uses less digits than its factorization.
801020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 727 (or 706 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 801020012 is about 28302.2969385879. The cubic root of 801020012 is about 928.7121388523.
The spelling of 801020012 in words is "eight hundred one million, twenty thousand, twelve".
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