Base | Representation |
---|---|
bin | 10010110100000010… |
… | …10010010001001000 |
3 | 222001220100101111021 |
4 | 21122001102101020 |
5 | 131141124033000 |
6 | 4350122442224 |
7 | 505202314312 |
oct | 113201222110 |
9 | 28056311437 |
10 | 10100221000 |
11 | 4313347591 |
12 | 1b5a663374 |
13 | c4c6aa73c |
14 | 6bb5b07b2 |
15 | 3e1aa811a |
hex | 25a052448 |
10100221000 has 32 divisors (see below), whose sum is σ = 23634519480. Its totient is φ = 4040088000.
The previous prime is 10100220983. The next prime is 10100221003. The reversal of 10100221000 is 12200101.
It can be written as a sum of positive squares in 4 ways, for example, as 4834977156 + 5265243844 = 69534^2 + 72562^2 .
It is not an unprimeable number, because it can be changed into a prime (10100221003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049111 + ... + 5051110.
Almost surely, 210100221000 is an apocalyptic number.
10100221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10100221000 is an abundant number, since it is smaller than the sum of its proper divisors (13534298480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10100221000 is a wasteful number, since it uses less digits than its factorization.
10100221000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10100242 (or 10100228 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 10100221000 its reverse (12200101), we get a palindrome (10112421101).
The spelling of 10100221000 in words is "ten billion, one hundred million, two hundred twenty-one thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •