Base | Representation |
---|---|
bin | 110111111011111010… |
… | …1001001010001111001 |
3 | 102111001111202220211012 |
4 | 1233313311021101321 |
5 | 3432002214132420 |
6 | 131103331443305 |
7 | 11451510221501 |
oct | 1576765112171 |
9 | 374044686735 |
10 | 120122020985 |
11 | 46a4182730a |
12 | 1b344756535 |
13 | b43456b135 |
14 | 5b5762aa01 |
15 | 31d0a59dc5 |
hex | 1bf7d49479 |
120122020985 has 8 divisors (see below), whose sum is σ = 144164466816. Its totient is φ = 96085589040.
The previous prime is 120122020943. The next prime is 120122020987. The reversal of 120122020985 is 589020221021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-120122020985 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120122020987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459409 + ... + 1539518.
It is an arithmetic number, because the mean of its divisors is an integer number (18020558352).
Almost surely, 2120122020985 is an apocalyptic number.
It is an amenable number.
120122020985 is a deficient number, since it is larger than the sum of its proper divisors (24042445831).
120122020985 is an equidigital number, since it uses as much as digits as its factorization.
120122020985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3006943.
The product of its (nonzero) digits is 5760, while the sum is 32.
The spelling of 120122020985 in words is "one hundred twenty billion, one hundred twenty-two million, twenty thousand, nine hundred eighty-five".
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