Base | Representation |
---|---|
bin | 101001010001… |
… | …010110100100 |
3 | 202100122211222 |
4 | 221101112210 |
5 | 10232201410 |
6 | 1023515512 |
7 | 160650134 |
oct | 51212644 |
9 | 22318758 |
10 | 10818980 |
11 | 611a507 |
12 | 3758b98 |
13 | 231a583 |
14 | 1618ac4 |
15 | e3a955 |
hex | a515a4 |
10818980 has 48 divisors (see below), whose sum is σ = 24312960. Its totient is φ = 4032000.
The previous prime is 10818979. The next prime is 10818991. The reversal of 10818980 is 8981801.
It is a self number, because there is not a number n which added to its sum of digits gives 10818980.
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, 26780 + ... + 27180.
It is an arithmetic number, because the mean of its divisors is an integer number (506520).
Almost surely, 210818980 is an apocalyptic number.
10818980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10818980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12156480).
10818980 is an abundant number, since it is smaller than the sum of its proper divisors (13493980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10818980 is a wasteful number, since it uses less digits than its factorization.
10818980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500 (or 498 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 35.
The square root of 10818980 is about 3289.2217924609. The cubic root of 10818980 is about 221.1713010236.
The spelling of 10818980 in words is "ten million, eight hundred eighteen thousand, nine hundred eighty".
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