Base | Representation |
---|---|
bin | 11101000110101011110… |
… | …01011010101010010101 |
3 | 10112121020011221220021200 |
4 | 32203111321122222111 |
5 | 112341020334323333 |
6 | 2043223040503113 |
7 | 132151311225606 |
oct | 16432571325225 |
9 | 3477204856250 |
10 | 1000021011093 |
11 | 356119876935 |
12 | 14198901aa99 |
13 | 733bc744240 |
14 | 36589155dad |
15 | 1b02d516c13 |
hex | e8d5e5aa95 |
1000021011093 has 48 divisors (see below), whose sum is σ = 1572266592624. Its totient is φ = 608819742720.
The previous prime is 1000021011049. The next prime is 1000021011107. The reversal of 1000021011093 is 3901101200001.
It can be written as a sum of positive squares in 8 ways, for example, as 345722832324 + 654298178769 = 587982^2 + 808887^2 .
It is not a de Polignac number, because 1000021011093 - 212 = 1000021006997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000021011013) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7082655 + ... + 7222467.
It is an arithmetic number, because the mean of its divisors is an integer number (32755554013).
Almost surely, 21000021011093 is an apocalyptic number.
1000021011093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1000021011093 is a deficient number, since it is larger than the sum of its proper divisors (572245581531).
1000021011093 is a wasteful number, since it uses less digits than its factorization.
1000021011093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140486 (or 140483 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
Adding to 1000021011093 its reverse (3901101200001), we get a palindrome (4901122211094).
The spelling of 1000021011093 in words is "one trillion, twenty-one million, eleven thousand, ninety-three".
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