Base | Representation |
---|---|
bin | 101111101111111… |
… | …111000000001100 |
3 | 2001211102111112221 |
4 | 233233333000030 |
5 | 3120040423410 |
6 | 211254305124 |
7 | 25565206531 |
oct | 5757770014 |
9 | 2054374487 |
10 | 801107980 |
11 | 381228312 |
12 | 1a43581a4 |
13 | c9c802ba |
14 | 78576d88 |
15 | 4a4e54da |
hex | 2fbff00c |
801107980 has 24 divisors (see below), whose sum is σ = 1685692512. Its totient is φ = 319802112.
The previous prime is 801107969. The next prime is 801107987. The reversal of 801107980 is 89701108.
It is not an unprimeable number, because it can be changed into a prime (801107987) 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, 29757 + ... + 49876.
It is an arithmetic number, because the mean of its divisors is an integer number (70237188).
Almost surely, 2801107980 is an apocalyptic number.
It is an amenable number.
801107980 is an abundant number, since it is smaller than the sum of its proper divisors (884584532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801107980 is a wasteful number, since it uses less digits than its factorization.
801107980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80145 (or 80143 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 34.
The square root of 801107980 is about 28303.8509747349. The cubic root of 801107980 is about 928.7461346567.
The spelling of 801107980 in words is "eight hundred one million, one hundred seven thousand, nine hundred eighty".
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