Base | Representation |
---|---|
bin | 110111111001100100… |
… | …0001000101000011001 |
3 | 102110212000021222101200 |
4 | 1233303020020220121 |
5 | 3431322014103420 |
6 | 131051432304413 |
7 | 11446531424145 |
oct | 1576310105031 |
9 | 373760258350 |
10 | 120043112985 |
11 | 46a01231594 |
12 | 1b322242109 |
13 | b421100b03 |
14 | 5b4ad6a225 |
15 | 31c8b6eb90 |
hex | 1bf3208a19 |
120043112985 has 48 divisors (see below), whose sum is σ = 211750488768. Its totient is φ = 62894620800.
The previous prime is 120043112939. The next prime is 120043112993. The reversal of 120043112985 is 589211340021.
120043112985 is a `hidden beast` number, since 1 + 20 + 0 + 431 + 129 + 85 = 666.
It is not a de Polignac number, because 120043112985 - 210 = 120043111961 is a prime.
It is a super-2 number, since 2×1200431129852 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2199234 + ... + 2253156.
It is an arithmetic number, because the mean of its divisors is an integer number (4411468516).
Almost surely, 2120043112985 is an apocalyptic number.
120043112985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120043112985 is a deficient number, since it is larger than the sum of its proper divisors (91707375783).
120043112985 is a wasteful number, since it uses less digits than its factorization.
120043112985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54806 (or 54803 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The spelling of 120043112985 in words is "one hundred twenty billion, forty-three million, one hundred twelve thousand, nine hundred eighty-five".
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