Base | Representation |
---|---|
bin | 110111111000111000… |
… | …0110011110001001101 |
3 | 102110210102012221111120 |
4 | 1233301300303301031 |
5 | 3431300134033010 |
6 | 131045253511153 |
7 | 11446133021526 |
oct | 1576160636115 |
9 | 373712187446 |
10 | 120020221005 |
11 | 4699a3164a3 |
12 | 1b3166424b9 |
13 | b419447269 |
14 | 5b47ccb84d |
15 | 31c6b4be70 |
hex | 1bf1c33c4d |
120020221005 has 32 divisors (see below), whose sum is σ = 194380475520. Its totient is φ = 63231632640.
The previous prime is 120020220941. The next prime is 120020221031. The reversal of 120020221005 is 500122020021.
It is not a de Polignac number, because 120020221005 - 26 = 120020220941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430299 + ... + 652071.
It is an arithmetic number, because the mean of its divisors is an integer number (6074389860).
Almost surely, 2120020221005 is an apocalyptic number.
120020221005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120020221005 is a deficient number, since it is larger than the sum of its proper divisors (74360254515).
120020221005 is a wasteful number, since it uses less digits than its factorization.
120020221005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222221.
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 120020221005 its reverse (500122020021), we get a palindrome (620142241026).
The spelling of 120020221005 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, five".
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