Base | Representation |
---|---|
bin | 10001011111011000… |
… | …011000000110110000 |
3 | 1210110211001200001020 |
4 | 101133120120012300 |
5 | 301430201014041 |
6 | 12343310335440 |
7 | 1233250113153 |
oct | 213730300660 |
9 | 53424050036 |
10 | 18780094896 |
11 | 7a67968292 |
12 | 37814ba580 |
13 | 1a03a342b4 |
14 | ca2293c9a |
15 | 74daec866 |
hex | 45f6181b0 |
18780094896 has 40 divisors (see below), whose sum is σ = 48538750464. Its totient is φ = 6256998720.
The previous prime is 18780094867. The next prime is 18780094919. The reversal of 18780094896 is 69849008781.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6441 + ... + 193911.
Almost surely, 218780094896 is an apocalyptic number.
18780094896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
18780094896 is an abundant number, since it is smaller than the sum of its proper divisors (29758655568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18780094896 is a wasteful number, since it uses less digits than its factorization.
18780094896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189569 (or 189563 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 60.
The spelling of 18780094896 in words is "eighteen billion, seven hundred eighty million, ninety-four thousand, eight hundred ninety-six".
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