Base | Representation |
---|---|
bin | 110111111110010001… |
… | …1010001000000000101 |
3 | 102111021000210122120210 |
4 | 1233330203101000011 |
5 | 3432133003020401 |
6 | 131115241150033 |
7 | 11453461340634 |
oct | 1577443210005 |
9 | 374230718523 |
10 | 120201220101 |
11 | 46a82500826 |
12 | 1b36718b319 |
13 | b447aaab11 |
14 | 5b63d6551b |
15 | 31d79a14d6 |
hex | 1bfc8d1005 |
120201220101 has 8 divisors (see below), whose sum is σ = 162525593664. Its totient is φ = 79005496640.
The previous prime is 120201220091. The next prime is 120201220129. The reversal of 120201220101 is 101022102021.
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 120201220101 - 210 = 120201219077 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120201220151) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 282162276 + ... + 282162701.
It is an arithmetic number, because the mean of its divisors is an integer number (20315699208).
Almost surely, 2120201220101 is an apocalyptic number.
It is an amenable number.
120201220101 is a deficient number, since it is larger than the sum of its proper divisors (42324373563).
120201220101 is an equidigital number, since it uses as much as digits as its factorization.
120201220101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564325051.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 120201220101 its reverse (101022102021), we get a palindrome (221223322122).
The spelling of 120201220101 in words is "one hundred twenty billion, two hundred one million, two hundred twenty thousand, one hundred one".
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