Base | Representation |
---|---|
bin | 11011111110000011… |
… | …011100110111110010 |
3 | 2212111222201211120000 |
4 | 123332003130313302 |
5 | 443001210340310 |
6 | 21444020330430 |
7 | 2112136551021 |
oct | 337603346762 |
9 | 85458654500 |
10 | 30032121330 |
11 | 11811393292 |
12 | 59a1843a16 |
13 | 2aa7c307c3 |
14 | 164c80a8b8 |
15 | bab8714c0 |
hex | 6fe0dcdf2 |
30032121330 has 80 divisors (see below), whose sum is σ = 80781802200. Its totient is φ = 8005713408.
The previous prime is 30032121323. The next prime is 30032121367. The reversal of 30032121330 is 3312123003.
30032121330 is a `hidden beast` number, since 300 + 32 + 1 + 2 + 1 + 330 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 14433859881 + 15598261449 = 120141^2 + 124893^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3275112 + ... + 3284268.
Almost surely, 230032121330 is an apocalyptic number.
30032121330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30032121330 is an abundant number, since it is smaller than the sum of its proper divisors (50749680870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032121330 is a wasteful number, since it uses less digits than its factorization.
30032121330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13225 (or 13216 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 30032121330 its reverse (3312123003), we get a palindrome (33344244333).
The spelling of 30032121330 in words is "thirty billion, thirty-two million, one hundred twenty-one thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •