Base | Representation |
---|---|
bin | 100001000010000… |
… | …0010110110000001 |
3 | 2212020120100021001 |
4 | 1002010002312001 |
5 | 4232214401411 |
6 | 301551532001 |
7 | 36315606001 |
oct | 10204026601 |
9 | 2766510231 |
10 | 1108356481 |
11 | 5197026a1 |
12 | 26b22a001 |
13 | 14881844b |
14 | a72b6001 |
15 | 67486dc1 |
hex | 42102d81 |
1108356481 has 4 divisors (see below), whose sum is σ = 1146575700. Its totient is φ = 1070137264.
The previous prime is 1108356451. The next prime is 1108356493. The reversal of 1108356481 is 1846538011.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 323460225 + 784896256 = 17985^2 + 28016^2 .
It is a cyclic number.
It is not a de Polignac number, because 1108356481 - 225 = 1074802049 is a prime.
It is a super-2 number, since 2×11083564812 = 2456908177949406722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1108356481.
It is not an unprimeable number, because it can be changed into a prime (1108356401) 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, 19109566 + ... + 19109623.
It is an arithmetic number, because the mean of its divisors is an integer number (286643925).
Almost surely, 21108356481 is an apocalyptic number.
It is an amenable number.
1108356481 is a deficient number, since it is larger than the sum of its proper divisors (38219219).
1108356481 is an equidigital number, since it uses as much as digits as its factorization.
1108356481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38219218.
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 1108356481 is about 33291.9882404160. The cubic root of 1108356481 is about 1034.8875327239.
The spelling of 1108356481 in words is "one billion, one hundred eight million, three hundred fifty-six thousand, four hundred eighty-one".
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