Base | Representation |
---|---|
bin | 110000000001111000… |
… | …0111110101111011001 |
3 | 100212020011121010100102 |
4 | 1200003300332233121 |
5 | 3142213422333044 |
6 | 115214415145145 |
7 | 10310651551421 |
oct | 1400360765731 |
9 | 325204533312 |
10 | 103142386649 |
11 | 3a819208765 |
12 | 17ba62151b5 |
13 | 9959858723 |
14 | 4dc652d481 |
15 | 2a3a05724e |
hex | 1803c3ebd9 |
103142386649 has 16 divisors (see below), whose sum is σ = 105577866240. Its totient is φ = 100737000000.
The previous prime is 103142386601. The next prime is 103142386657. The reversal of 103142386649 is 946683241301.
It is a cyclic number.
It is not a de Polignac number, because 103142386649 - 232 = 98847419353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103142386049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9816899 + ... + 9827399.
It is an arithmetic number, because the mean of its divisors is an integer number (6598616640).
Almost surely, 2103142386649 is an apocalyptic number.
It is an amenable number.
103142386649 is a deficient number, since it is larger than the sum of its proper divisors (2435479591).
103142386649 is a wasteful number, since it uses less digits than its factorization.
103142386649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11912.
The product of its (nonzero) digits is 746496, while the sum is 47.
The spelling of 103142386649 in words is "one hundred three billion, one hundred forty-two million, three hundred eighty-six thousand, six hundred forty-nine".
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