Base | Representation |
---|---|
bin | 110000000100111011… |
… | …0100010011010001101 |
3 | 100212111021202100210221 |
4 | 1200021312202122031 |
5 | 3142421043204030 |
6 | 115232504031341 |
7 | 10313331553621 |
oct | 1401166423215 |
9 | 325437670727 |
10 | 103244506765 |
11 | 3a870918054 |
12 | 18014462551 |
13 | 9974a6222a |
14 | 4dd5d13181 |
15 | 2a43ec9e7a |
hex | 1809da268d |
103244506765 has 4 divisors (see below), whose sum is σ = 123893408124. Its totient is φ = 82595605408.
The previous prime is 103244506747. The next prime is 103244506769. The reversal of 103244506765 is 567605442301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567605442301 = 189229 ⋅2999569.
It can be written as a sum of positive squares in 2 ways, for example, as 70669310569 + 32575196196 = 265837^2 + 180486^2 .
It is a cyclic number.
It is not a de Polignac number, because 103244506765 - 27 = 103244506637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103244506769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324450672 + ... + 10324450681.
It is an arithmetic number, because the mean of its divisors is an integer number (30973352031).
Almost surely, 2103244506765 is an apocalyptic number.
It is an amenable number.
103244506765 is a deficient number, since it is larger than the sum of its proper divisors (20648901359).
103244506765 is an equidigital number, since it uses as much as digits as its factorization.
103244506765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20648901358.
The product of its (nonzero) digits is 604800, while the sum is 43.
The spelling of 103244506765 in words is "one hundred three billion, two hundred forty-four million, five hundred six thousand, seven hundred sixty-five".
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