Base | Representation |
---|---|
bin | 110000111010111100… |
… | …1001100110000000000 |
3 | 101001011121112212101020 |
4 | 1201311321030300000 |
5 | 3210124112100213 |
6 | 120132415105440 |
7 | 10406261663001 |
oct | 1416571146000 |
9 | 331147485336 |
10 | 105057143808 |
11 | 406110230a1 |
12 | 1843b512280 |
13 | 9ba3458226 |
14 | 51289591a8 |
15 | 2aed1cc923 |
hex | 1875e4cc00 |
105057143808 has 44 divisors (see below), whose sum is σ = 280015598520. Its totient is φ = 35019046912.
The previous prime is 105057143803. The next prime is 105057143819. The reversal of 105057143808 is 808341750501.
It is a super-2 number, since 2×1050571438082 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105057143808.
It is not an unprimeable number, because it can be changed into a prime (105057143803) 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, 17096073 + ... + 17102216.
Almost surely, 2105057143808 is an apocalyptic number.
It is an amenable number.
105057143808 is an abundant number, since it is smaller than the sum of its proper divisors (174958454712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105057143808 is an equidigital number, since it uses as much as digits as its factorization.
105057143808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34198312 (or 34198294 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 42.
It can be divided in two parts, 105057 and 143808, that added together give a triangular number (248865 = T705).
The spelling of 105057143808 in words is "one hundred five billion, fifty-seven million, one hundred forty-three thousand, eight hundred eight".
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