Base | Representation |
---|---|
bin | 1001100010111… |
… | …10100001000000 |
3 | 12120200102121122 |
4 | 10301132201000 |
5 | 131000011122 |
6 | 11540211412 |
7 | 1661442134 |
oct | 461364100 |
9 | 176612548 |
10 | 80078912 |
11 | 41225521 |
12 | 22999b68 |
13 | 1378a294 |
14 | a8c73c4 |
15 | 706c142 |
hex | 4c5e840 |
80078912 has 28 divisors (see below), whose sum is σ = 161153856. Its totient is φ = 39473280.
The previous prime is 80078897. The next prime is 80078917. The reversal of 80078912 is 21987008.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80078917) 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, 4268 + ... + 13355.
Almost surely, 280078912 is an apocalyptic number.
It is an amenable number.
80078912 is an abundant number, since it is smaller than the sum of its proper divisors (81074944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80078912 is a wasteful number, since it uses less digits than its factorization.
80078912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17706 (or 17696 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 80078912 is about 8948.6821376111. The cubic root of 80078912 is about 431.0285670742.
The spelling of 80078912 in words is "eighty million, seventy-eight thousand, nine hundred twelve".
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