Base | Representation |
---|---|
bin | 10010101010100110… |
… | …00101011100111010 |
3 | 221212101021121002212 |
4 | 21111103011130322 |
5 | 131010334013033 |
6 | 4334212455122 |
7 | 503221050260 |
oct | 112523053472 |
9 | 27771247085 |
10 | 10021001018 |
11 | 4282659426 |
12 | 1b3801a4a2 |
13 | c39161402 |
14 | 6b0c6c430 |
15 | 3d9b5a748 |
hex | 2554c573a |
10021001018 has 8 divisors (see below), whose sum is σ = 17178858912. Its totient is φ = 4294714716.
The previous prime is 10021001017. The next prime is 10021001093. The reversal of 10021001018 is 81010012001.
10021001018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×100210010182 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 715785787 = 10021001018 / (1 + 0 + 0 + 2 + 1 + 0 + 0 + 1 + 0 + 1 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 10021000993 and 10021001011.
It is not an unprimeable number, because it can be changed into a prime (10021001017) 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, 357892880 + ... + 357892907.
It is an arithmetic number, because the mean of its divisors is an integer number (2147357364).
Almost surely, 210021001018 is an apocalyptic number.
10021001018 is a deficient number, since it is larger than the sum of its proper divisors (7157857894).
10021001018 is an equidigital number, since it uses as much as digits as its factorization.
10021001018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715785796.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 10021001018 its reverse (81010012001), we get a palindrome (91031013019).
The spelling of 10021001018 in words is "ten billion, twenty-one million, one thousand, eighteen".
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