Base | Representation |
---|---|
bin | 11011010101011100110101… |
… | …000101000100000101010111 |
3 | 120202200001020111121010111211 |
4 | 123111130311011010011113 |
5 | 111224201230421232411 |
6 | 1103404524554442251 |
7 | 34215463246051465 |
oct | 3325346505040527 |
9 | 522601214533454 |
10 | 120221320102231 |
11 | 35340637041807 |
12 | 11597844a33387 |
13 | 5210a8b77954a |
14 | 2198a588ab835 |
15 | dd73746a7221 |
hex | 6d5735144157 |
120221320102231 has 4 divisors (see below), whose sum is σ = 120240865112464. Its totient is φ = 120201775092000.
The previous prime is 120221320102181. The next prime is 120221320102277. The reversal of 120221320102231 is 132201023122021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120221320102231 - 215 = 120221320069463 is a prime.
It is a super-2 number, since 2×1202213201022312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120221320108231) 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 3 ways as a sum of consecutive naturals, for example, 9772495890 + ... + 9772508191.
It is an arithmetic number, because the mean of its divisors is an integer number (30060216278116).
Almost surely, 2120221320102231 is an apocalyptic number.
120221320102231 is a deficient number, since it is larger than the sum of its proper divisors (19545010233).
120221320102231 is an equidigital number, since it uses as much as digits as its factorization.
120221320102231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19545010232.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 120221320102231 its reverse (132201023122021), we get a palindrome (252422343224252).
The spelling of 120221320102231 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty million, one hundred two thousand, two hundred thirty-one".
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