Base | Representation |
---|---|
bin | 11011010101001010111011… |
… | …101010011111001011101101 |
3 | 120202121012122020122112000210 |
4 | 123111022323222133023231 |
5 | 111223342401411114041 |
6 | 1103352030042213033 |
7 | 34214213113220541 |
oct | 3325127352371355 |
9 | 522535566575023 |
10 | 120202103223021 |
11 | 35333475674a56 |
12 | 11593b811b4179 |
13 | 520c0183c49c1 |
14 | 2197b545d9a21 |
15 | dd6aec57c016 |
hex | 6d52bba9f2ed |
120202103223021 has 4 divisors (see below), whose sum is σ = 160269470964032. Its totient is φ = 80134735482012.
The previous prime is 120202103223011. The next prime is 120202103223047. The reversal of 120202103223021 is 120322301202021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 120202103223021 - 25 = 120202103222989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120202103223011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20033683870501 + ... + 20033683870506.
It is an arithmetic number, because the mean of its divisors is an integer number (40067367741008).
Almost surely, 2120202103223021 is an apocalyptic number.
It is an amenable number.
120202103223021 is a deficient number, since it is larger than the sum of its proper divisors (40067367741011).
120202103223021 is an equidigital number, since it uses as much as digits as its factorization.
120202103223021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40067367741010.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 120202103223021 its reverse (120322301202021), we get a palindrome (240524404425042).
The spelling of 120202103223021 in words is "one hundred twenty trillion, two hundred two billion, one hundred three million, two hundred twenty-three thousand, twenty-one".
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