Base | Representation |
---|---|
bin | 100101100011011111… |
… | …1011011110011100100 |
3 | 21201011111022021120120 |
4 | 1023012333123303210 |
5 | 2310131332212220 |
6 | 101014341001540 |
7 | 5553350041416 |
oct | 1130677336344 |
9 | 251144267516 |
10 | 80647929060 |
11 | 31225720846 |
12 | 137689b32b0 |
13 | 77b34422aa |
14 | 3c90c3a9b6 |
15 | 2170307a40 |
hex | 12c6fdbce4 |
80647929060 has 48 divisors (see below), whose sum is σ = 231321871872. Its totient is φ = 20981574400.
The previous prime is 80647929029. The next prime is 80647929079. The reversal of 80647929060 is 6092974608.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 80647928994 and 80647929012.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16389396 + ... + 16394315.
It is an arithmetic number, because the mean of its divisors is an integer number (4819205664).
Almost surely, 280647929060 is an apocalyptic number.
It is an amenable number.
80647929060 is an abundant number, since it is smaller than the sum of its proper divisors (150673942812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80647929060 is a wasteful number, since it uses less digits than its factorization.
80647929060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32783764 (or 32783762 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 80647929060 in words is "eighty billion, six hundred forty-seven million, nine hundred twenty-nine thousand, sixty".
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