Base | Representation |
---|---|
bin | 10010101000000111… |
… | …10011111101110100 |
3 | 221210221011210221021 |
4 | 21110003303331310 |
5 | 130440024020040 |
6 | 4332151230524 |
7 | 502546316260 |
oct | 112403637564 |
9 | 27727153837 |
10 | 10000220020 |
11 | 427195534a |
12 | 1b31078444 |
13 | c34a6666b |
14 | 6ac1bd0a0 |
15 | 3d7e0324a |
hex | 2540f3f74 |
10000220020 has 48 divisors (see below), whose sum is σ = 24139317888. Its totient is φ = 3408819840.
The previous prime is 10000219997. The next prime is 10000220023. The reversal of 10000220020 is 2002200001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a junction number, because it is equal to n+sod(n) for n = 10000219985 and 10000220012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10000220023) 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, 182226 + ... + 230665.
It is an arithmetic number, because the mean of its divisors is an integer number (502902456).
Almost surely, 210000220020 is an apocalyptic number.
10000220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10000220020 is an abundant number, since it is smaller than the sum of its proper divisors (14139097868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10000220020 is a wasteful number, since it uses less digits than its factorization.
10000220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413080 (or 413078 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 7.
Adding to 10000220020 its reverse (2002200001), we get a palindrome (12002420021).
The spelling of 10000220020 in words is "ten billion, two hundred twenty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •