Base | Representation |
---|---|
bin | 101111100000001100… |
… | …0111100001001110001 |
3 | 100202022101121002122010 |
4 | 1133000120330021301 |
5 | 3132410033323441 |
6 | 114510315233133 |
7 | 10240644534066 |
oct | 1370030741161 |
9 | 322271532563 |
10 | 102012011121 |
11 | 3a299136909 |
12 | 1792b7487a9 |
13 | 9809600b77 |
14 | 4d1a364c6d |
15 | 29c0bc1116 |
hex | 17c063c271 |
102012011121 has 8 divisors (see below), whose sum is σ = 136036467360. Its totient is φ = 67997781152.
The previous prime is 102012011089. The next prime is 102012011141. The reversal of 102012011121 is 121110210201.
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 102012011121 - 25 = 102012011089 is a prime.
It is a super-3 number, since 3×1020120111213 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102012011097 and 102012011106.
It is not an unprimeable number, because it can be changed into a prime (102012011141) 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, 2533260 + ... + 2573213.
It is an arithmetic number, because the mean of its divisors is an integer number (17004558420).
Almost surely, 2102012011121 is an apocalyptic number.
It is an amenable number.
102012011121 is a deficient number, since it is larger than the sum of its proper divisors (34024456239).
102012011121 is an equidigital number, since it uses as much as digits as its factorization.
102012011121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5113135.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 102012011121 its reverse (121110210201), we get a palindrome (223122221322).
The spelling of 102012011121 in words is "one hundred two billion, twelve million, eleven thousand, one hundred twenty-one".
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