Base | Representation |
---|---|
bin | 11100001000010101… |
… | …011011000110011110 |
3 | 2212222000021220102210 |
4 | 130020111123012132 |
5 | 443324334323310 |
6 | 21513101301250 |
7 | 2116332622251 |
oct | 341025330636 |
9 | 85860256383 |
10 | 30204604830 |
11 | 1189a791734 |
12 | 5a2b564826 |
13 | 2b048a234a |
14 | 16676a9098 |
15 | bbba92820 |
hex | 70855b19e |
30204604830 has 64 divisors (see below), whose sum is σ = 74414684160. Its totient is φ = 7843620096.
The previous prime is 30204604747. The next prime is 30204604831. The reversal of 30204604830 is 3840640203.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30204604831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85719 + ... + 260301.
It is an arithmetic number, because the mean of its divisors is an integer number (1162729440).
Almost surely, 230204604830 is an apocalyptic number.
30204604830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30204604830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37207342080).
30204604830 is an abundant number, since it is smaller than the sum of its proper divisors (44210079330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30204604830 is a wasteful number, since it uses less digits than its factorization.
30204604830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174745.
The product of its (nonzero) digits is 13824, while the sum is 30.
The spelling of 30204604830 in words is "thirty billion, two hundred four million, six hundred four thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •