Base | Representation |
---|---|
bin | 10000110101010011… |
… | …001000011101110000 |
3 | 1201122121120020121202 |
4 | 100311103020131300 |
5 | 244003430431130 |
6 | 12145250110332 |
7 | 1206615056105 |
oct | 206523103560 |
9 | 51577506552 |
10 | 18074077040 |
11 | 7735388658 |
12 | 3604b7b3a8 |
13 | 1920698a56 |
14 | c365d0aac |
15 | 70bb3c145 |
hex | 4354c8770 |
18074077040 has 20 divisors (see below), whose sum is σ = 42022229304. Its totient is φ = 7229630784.
The previous prime is 18074076991. The next prime is 18074077067. The reversal of 18074077040 is 4077047081.
It is a tau number, because it is divible by the number of its divisors (20).
It is a junction number, because it is equal to n+sod(n) for n = 18074076985 and 18074077003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112962902 + ... + 112963061.
Almost surely, 218074077040 is an apocalyptic number.
18074077040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18074077040 is an abundant number, since it is smaller than the sum of its proper divisors (23948152264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18074077040 is a wasteful number, since it uses less digits than its factorization.
18074077040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225925976 (or 225925970 counting only the distinct ones).
The product of its (nonzero) digits is 43904, while the sum is 38.
The spelling of 18074077040 in words is "eighteen billion, seventy-four million, seventy-seven thousand, forty".
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