Base | Representation |
---|---|
bin | 111011100111001… |
… | …010011101001110 |
3 | 2120200220110201121 |
4 | 323213022131032 |
5 | 4022012402230 |
6 | 243124031154 |
7 | 33532620064 |
oct | 7347123516 |
9 | 2520813647 |
10 | 1000122190 |
11 | 4735a7671 |
12 | 23ab324ba |
13 | 12c2809a2 |
14 | 96b80034 |
15 | 5cc0777a |
hex | 3b9ca74e |
1000122190 has 32 divisors (see below), whose sum is σ = 1930741920. Its totient is φ = 371839104.
The previous prime is 1000122161. The next prime is 1000122191. The reversal of 1000122190 is 912210001.
It is a super-2 number, since 2×10001221902 = 2000488789860792200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000122191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39589 + ... + 59728.
It is an arithmetic number, because the mean of its divisors is an integer number (60335685).
Almost surely, 21000122190 is an apocalyptic number.
1000122190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1000122190 is a deficient number, since it is larger than the sum of its proper divisors (930619730).
1000122190 is a wasteful number, since it uses less digits than its factorization.
1000122190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99396.
The product of its (nonzero) digits is 36, while the sum is 16.
The square root of 1000122190 is about 31624.7085362063. The cubic root of 1000122190 is about 1000.0407283412.
Adding to 1000122190 its reverse (912210001), we get a palindrome (1912332191).
The spelling of 1000122190 in words is "one billion, one hundred twenty-two thousand, one hundred ninety".
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