Base | Representation |
---|---|
bin | 101111101111111… |
… | …000001100111000 |
3 | 2001211101002100002 |
4 | 233233320030320 |
5 | 3120034030440 |
6 | 211253532132 |
7 | 25565032361 |
oct | 5757701470 |
9 | 2054332302 |
10 | 801080120 |
11 | 381209395 |
12 | 1a4344048 |
13 | c9c70709 |
14 | 7856ab68 |
15 | 4a4dc115 |
hex | 2fbf8338 |
801080120 has 32 divisors (see below), whose sum is σ = 1908457200. Its totient is φ = 301582848.
The previous prime is 801080113. The next prime is 801080123. The reversal of 801080120 is 21080108.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 801080092 and 801080101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801080123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588350 + ... + 589709.
Almost surely, 2801080120 is an apocalyptic number.
It is an amenable number.
801080120 is an abundant number, since it is smaller than the sum of its proper divisors (1107377080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801080120 is a wasteful number, since it uses less digits than its factorization.
801080120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1178087 (or 1178083 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 801080120 is about 28303.3588112789. The cubic root of 801080120 is about 928.7353682483.
The spelling of 801080120 in words is "eight hundred one million, eighty thousand, one hundred twenty".
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