Base | Representation |
---|---|
bin | 10010110100010000… |
… | …11101100001101001 |
3 | 222002000212221220102 |
4 | 21122020131201221 |
5 | 131142114231441 |
6 | 4350231035145 |
7 | 505224310526 |
oct | 113210354151 |
9 | 28060787812 |
10 | 10102102121 |
11 | 4314411931 |
12 | 1b5b20bab5 |
13 | c4cbb8a27 |
14 | 6bb94014d |
15 | 3e1d2a69b |
hex | 25a21d869 |
10102102121 has 8 divisors (see below), whose sum is σ = 10672801920. Its totient is φ = 9546225808.
The previous prime is 10102102099. The next prime is 10102102123. The reversal of 10102102121 is 12120120101.
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 10102102121 - 222 = 10097907817 is a prime.
It is a super-3 number, since 3×101021021213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10102102123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704471 + ... + 3707196.
It is an arithmetic number, because the mean of its divisors is an integer number (1334100240).
Almost surely, 210102102121 is an apocalyptic number.
It is an amenable number.
10102102121 is a deficient number, since it is larger than the sum of its proper divisors (570699799).
10102102121 is an equidigital number, since it uses as much as digits as its factorization.
10102102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7411743.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 10102102121 its reverse (12120120101), we get a palindrome (22222222222).
The spelling of 10102102121 in words is "ten billion, one hundred two million, one hundred two thousand, one hundred twenty-one".
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