Base | Representation |
---|---|
bin | 110111111000010011… |
… | …1111000010010101101 |
3 | 102110202002020122120002 |
4 | 1233300213320102231 |
5 | 3431230240244041 |
6 | 131043332034045 |
7 | 11445511355132 |
oct | 1576047702255 |
9 | 373662218502 |
10 | 120001103021 |
11 | 4698a548908 |
12 | 1b310162925 |
13 | b4154b2447 |
14 | 5b45552589 |
15 | 31c512259b |
hex | 1bf09f84ad |
120001103021 has 8 divisors (see below), whose sum is σ = 127376856504. Its totient is φ = 112660556800.
The previous prime is 120001102999. The next prime is 120001103039. The reversal of 120001103021 is 120301100021.
It can be written as a sum of positive squares in 4 ways, for example, as 43091947396 + 76909155625 = 207586^2 + 277325^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120001103021 - 230 = 118927361197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120001102993 and 120001103011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120001106021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8794790 + ... + 8808423.
It is an arithmetic number, because the mean of its divisors is an integer number (15922107063).
Almost surely, 2120001103021 is an apocalyptic number.
It is an amenable number.
120001103021 is a deficient number, since it is larger than the sum of its proper divisors (7375753483).
120001103021 is a wasteful number, since it uses less digits than its factorization.
120001103021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17603631.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 120001103021 its reverse (120301100021), we get a palindrome (240302203042).
The spelling of 120001103021 in words is "one hundred twenty billion, one million, one hundred three thousand, twenty-one".
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