Base | Representation |
---|---|
bin | 100000110011111… |
… | …1111000100111010 |
3 | 2211201201122110111 |
4 | 1001213333010322 |
5 | 4223324013033 |
6 | 301130134534 |
7 | 36166232335 |
oct | 10147770472 |
9 | 2751648414 |
10 | 1101001018 |
11 | 5155393a7 |
12 | 26888144a |
13 | 1471414c0 |
14 | a631d61c |
15 | 669d27cd |
hex | 419ff13a |
1101001018 has 16 divisors (see below), whose sum is σ = 1872148320. Its totient is φ = 481409136.
The previous prime is 1101001009. The next prime is 1101001019. The reversal of 1101001018 is 8101001011.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 1101000989 and 1101001007.
It is not an unprimeable number, because it can be changed into a prime (1101001019) 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 7 ways as a sum of consecutive naturals, for example, 1113880 + ... + 1114867.
It is an arithmetic number, because the mean of its divisors is an integer number (117009270).
Almost surely, 21101001018 is an apocalyptic number.
1101001018 is a deficient number, since it is larger than the sum of its proper divisors (771147302).
1101001018 is a wasteful number, since it uses less digits than its factorization.
1101001018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2228781.
The product of its (nonzero) digits is 8, while the sum is 13.
The square root of 1101001018 is about 33181.3353860269. The cubic root of 1101001018 is about 1032.5931511187.
Adding to 1101001018 its reverse (8101001011), we get a palindrome (9202002029).
The spelling of 1101001018 in words is "one billion, one hundred one million, one thousand, eighteen".
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