Base | Representation |
---|---|
bin | 101101111011111011001000… |
… | …111010011011101010101001 |
3 | 222111022212212000121111002120 |
4 | 231323323020322123222221 |
5 | 202440030011330230441 |
6 | 1553403153100021453 |
7 | 60361121534260443 |
oct | 5573731072335251 |
9 | 874285760544076 |
10 | 202030042430121 |
11 | 59411507048584 |
12 | 1a7aa938531889 |
13 | 8896474923009 |
14 | 37c6440405493 |
15 | 18553e9777966 |
hex | b7bec8e9baa9 |
202030042430121 has 8 divisors (see below), whose sum is σ = 269373704760864. Its totient is φ = 134686537526400.
The previous prime is 202030042430089. The next prime is 202030042430123. The reversal of 202030042430121 is 121034240030202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202030042430121 - 25 = 202030042430089 is a prime.
It is a super-2 number, since 2×2020300424301212 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202030042430091 and 202030042430100.
It is not an unprimeable number, because it can be changed into a prime (202030042430123) 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 7 ways as a sum of consecutive naturals, for example, 36329055 + ... + 41519396.
It is an arithmetic number, because the mean of its divisors is an integer number (33671713095108).
Almost surely, 2202030042430121 is an apocalyptic number.
It is an amenable number.
202030042430121 is a deficient number, since it is larger than the sum of its proper divisors (67343662330743).
202030042430121 is an equidigital number, since it uses as much as digits as its factorization.
202030042430121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78713511.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 202030042430121 its reverse (121034240030202), we get a palindrome (323064282460323).
The spelling of 202030042430121 in words is "two hundred two trillion, thirty billion, forty-two million, four hundred thirty thousand, one hundred twenty-one".
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