Base | Representation |
---|---|
bin | 110001001000010011… |
… | …0111001110010011010 |
3 | 101002022211220012111220 |
4 | 1202100212321302122 |
5 | 3212033331114003 |
6 | 120245105232510 |
7 | 10423343346135 |
oct | 1422046716232 |
9 | 332284805456 |
10 | 105505332378 |
11 | 40821011876 |
12 | 18545632736 |
13 | 9c4526c574 |
14 | 516c2a521c |
15 | 2b2770e353 |
hex | 18909b9c9a |
105505332378 has 8 divisors (see below), whose sum is σ = 211010664768. Its totient is φ = 35168444124.
The previous prime is 105505332343. The next prime is 105505332379. The reversal of 105505332378 is 873233505501.
It is a sphenic number, since it is the product of 3 distinct primes.
105505332378 is an admirable number.
It is a super-2 number, since 2×1055053323782 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (105505332379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792111026 + ... + 8792111037.
It is an arithmetic number, because the mean of its divisors is an integer number (26376333096).
Almost surely, 2105505332378 is an apocalyptic number.
105505332378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105505332378 is a wasteful number, since it uses less digits than its factorization.
105505332378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17584222068.
The product of its (nonzero) digits is 378000, while the sum is 42.
Adding to 105505332378 its reverse (873233505501), we get a palindrome (978738837879).
The spelling of 105505332378 in words is "one hundred five billion, five hundred five million, three hundred thirty-two thousand, three hundred seventy-eight".
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