Base | Representation |
---|---|
bin | 10010110000000000… |
… | …000111101110001110 |
3 | 1220222002012122211221 |
4 | 102300000013232032 |
5 | 312212432101310 |
6 | 13125425233554 |
7 | 1311623022430 |
oct | 226000075616 |
9 | 56862178757 |
10 | 20132690830 |
11 | 85a141966a |
12 | 3a9a4928ba |
13 | 1b8b026115 |
14 | d8db86650 |
15 | 7cc72bada |
hex | 4b0007b8e |
20132690830 has 32 divisors (see below), whose sum is σ = 41433587136. Its totient is φ = 6899675904.
The previous prime is 20132690821. The next prime is 20132690839. The reversal of 20132690830 is 3809623102.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20132690821) and next prime (20132690839).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132690839) 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, 105892 + ... + 226888.
It is an arithmetic number, because the mean of its divisors is an integer number (1294799598).
Almost surely, 220132690830 is an apocalyptic number.
20132690830 is an abundant number, since it is smaller than the sum of its proper divisors (21300896306).
20132690830 is a wasteful number, since it uses less digits than its factorization.
20132690830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123388.
The product of its (nonzero) digits is 15552, while the sum is 34.
The spelling of 20132690830 in words is "twenty billion, one hundred thirty-two million, six hundred ninety thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •