Base | Representation |
---|---|
bin | 110110001011100… |
… | …1011000101011000 |
3 | 11200200220200102100 |
4 | 1230113023011120 |
5 | 12210402422130 |
6 | 500222203400 |
7 | 63023602323 |
oct | 15427130530 |
9 | 4620820370 |
10 | 1818014040 |
11 | 853248947 |
12 | 428a23560 |
13 | 22c85956b |
14 | 1336457ba |
15 | a9915c60 |
hex | 6c5cb158 |
1818014040 has 48 divisors (see below), whose sum is σ = 5908546800. Its totient is φ = 484803648.
The previous prime is 1818014027. The next prime is 1818014053. The reversal of 1818014040 is 404108181.
1818014040 is a `hidden beast` number, since 181 + 80 + 1 + 404 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (1818014027) and next prime (1818014053).
It is a junction number, because it is equal to n+sod(n) for n = 1818013995 and 1818014013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2524660 + ... + 2525379.
It is an arithmetic number, because the mean of its divisors is an integer number (123094725).
Almost surely, 21818014040 is an apocalyptic number.
1818014040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1818014040 is an abundant number, since it is smaller than the sum of its proper divisors (4090532760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1818014040 is a wasteful number, since it uses less digits than its factorization.
1818014040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5050056 (or 5050049 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 1818014040 is about 42638.1758521633. The cubic root of 1818014040 is about 1220.4849008587.
The spelling of 1818014040 in words is "one billion, eight hundred eighteen million, fourteen thousand, forty".
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