Base | Representation |
---|---|
bin | 10010111111111011… |
… | …11101010101001101 |
3 | 222022212010022011021 |
4 | 21133331331111031 |
5 | 131342200341414 |
6 | 4404045354141 |
7 | 510523446430 |
oct | 113775752515 |
9 | 28285108137 |
10 | 10200012109 |
11 | 4364706081 |
12 | 1b87b68951 |
13 | c6727a131 |
14 | 6ca949817 |
15 | 3ea71ac24 |
hex | 25ff7d54d |
10200012109 has 4 divisors (see below), whose sum is σ = 11657156704. Its totient is φ = 8742867516.
The previous prime is 10200012073. The next prime is 10200012113. The reversal of 10200012109 is 90121000201.
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 a cyclic number.
It is not a de Polignac number, because 10200012109 - 215 = 10199979341 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10200012092 and 10200012101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10200012509) 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, 728572287 + ... + 728572300.
It is an arithmetic number, because the mean of its divisors is an integer number (2914289176).
Almost surely, 210200012109 is an apocalyptic number.
It is an amenable number.
10200012109 is a deficient number, since it is larger than the sum of its proper divisors (1457144595).
10200012109 is an equidigital number, since it uses as much as digits as its factorization.
10200012109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1457144594.
The product of its (nonzero) digits is 36, while the sum is 16.
The spelling of 10200012109 in words is "ten billion, two hundred million, twelve thousand, one hundred nine".
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