Base | Representation |
---|---|
bin | 11100001111101011… |
… | …000111100011001100 |
3 | 2220021120222102202012 |
4 | 130033223013203030 |
5 | 444102344414203 |
6 | 21533220320352 |
7 | 2122356320660 |
oct | 341753074314 |
9 | 86246872665 |
10 | 30327732428 |
11 | 1195323a284 |
12 | 5a648430b8 |
13 | 2b24252a06 |
14 | 1679b9a8a0 |
15 | bc77b4bd8 |
hex | 70fac78cc |
30327732428 has 48 divisors (see below), whose sum is σ = 62350842624. Its totient is φ = 12634937280.
The previous prime is 30327732377. The next prime is 30327732439. The reversal of 30327732428 is 82423772303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192283 + ... + 1217453.
It is an arithmetic number, because the mean of its divisors is an integer number (1298975888).
Almost surely, 230327732428 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30327732428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31175421312).
30327732428 is an abundant number, since it is smaller than the sum of its proper divisors (32023110196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30327732428 is a wasteful number, since it uses less digits than its factorization.
30327732428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26382 (or 26380 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 41.
The spelling of 30327732428 in words is "thirty billion, three hundred twenty-seven million, seven hundred thirty-two thousand, four hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •