Base | Representation |
---|---|
bin | 110001001001101001… |
… | …1011010101111001001 |
3 | 101002102222222210210202 |
4 | 1202103103122233021 |
5 | 3212131420243410 |
6 | 120253402421545 |
7 | 10424432631551 |
oct | 1422323325711 |
9 | 332388883722 |
10 | 105550556105 |
11 | 408445a0055 |
12 | 185588018b5 |
13 | 9c51744977 |
14 | 51742b8161 |
15 | 2b2b693ca5 |
hex | 18934dabc9 |
105550556105 has 8 divisors (see below), whose sum is σ = 126663405000. Its totient is φ = 84438619776.
The previous prime is 105550556071. The next prime is 105550556149. The reversal of 105550556105 is 501655055501.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 9736163584 + 95814392521 = 98672^2 + 309539^2 .
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 105550556105 - 28 = 105550555849 is a prime.
It is a super-2 number, since 2×1055505561052 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 59231 + ... + 463259.
It is an arithmetic number, because the mean of its divisors is an integer number (15832925625).
Almost surely, 2105550556105 is an apocalyptic number.
It is an amenable number.
105550556105 is a deficient number, since it is larger than the sum of its proper divisors (21112848895).
105550556105 is an equidigital number, since it uses as much as digits as its factorization.
105550556105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456283.
The product of its (nonzero) digits is 93750, while the sum is 38.
The spelling of 105550556105 in words is "one hundred five billion, five hundred fifty million, five hundred fifty-six thousand, one hundred five".
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