Base | Representation |
---|---|
bin | 101111111000000111… |
… | …0001011111100110001 |
3 | 100211101022121200111221 |
4 | 1133300032023330301 |
5 | 3141031002423414 |
6 | 115122103305041 |
7 | 10266560550544 |
oct | 1376016137461 |
9 | 324338550457 |
10 | 102814498609 |
11 | 3a670116609 |
12 | 17b1444b181 |
13 | 9906945034 |
14 | 4d94b7a85b |
15 | 2a1b38a224 |
hex | 17f038bf31 |
102814498609 has 3 divisors (see below), whose sum is σ = 102814819257. Its totient is φ = 102814177962.
The previous prime is 102814498603. The next prime is 102814498649. The reversal of 102814498609 is 906894418201.
The square root of 102814498609 is 320647.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 906894418201 = 218081 ⋅4158521.
It is not a de Polignac number, because 102814498609 - 27 = 102814498481 is a prime.
It is a super-2 number, since 2×1028144986092 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102814498603) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160324 + ... + 480970.
It is an arithmetic number, because the mean of its divisors is an integer number (34271606419).
Almost surely, 2102814498609 is an apocalyptic number.
102814498609 is the 320647-th square number.
102814498609 is the 160324-th centered octagonal number.
It is an amenable number.
102814498609 is a deficient number, since it is larger than the sum of its proper divisors (320648).
102814498609 is an frugal number, since it uses more digits than its factorization.
102814498609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641294 (or 320647 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 52.
The spelling of 102814498609 in words is "one hundred two billion, eight hundred fourteen million, four hundred ninety-eight thousand, six hundred nine".
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