Base | Representation |
---|---|
bin | 11011111100101001… |
… | …101001010100000000 |
3 | 2212110100102210000000 |
4 | 123330221221110000 |
5 | 442424144014303 |
6 | 21441420000000 |
7 | 2111432500320 |
oct | 337451512400 |
9 | 85410383000 |
10 | 30008579328 |
11 | 117aa073892 |
12 | 5995990000 |
13 | 2aa30aa120 |
14 | 164963d280 |
15 | ba9770da3 |
hex | 6fca69500 |
30008579328 has 1152 divisors, whose sum is σ = 120141414400. Its totient is φ = 7255941120.
The previous prime is 30008579323. The next prime is 30008579353. The reversal of 30008579328 is 82397580003.
It is a tau number, because it is divible by the number of its divisors (1152).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30008579323) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 968018673 + ... + 968018703.
Almost surely, 230008579328 is an apocalyptic number.
30008579328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30008579328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60070707200).
30008579328 is an abundant number, since it is smaller than the sum of its proper divisors (90132835072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30008579328 is an equidigital number, since it uses as much as digits as its factorization.
30008579328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 30008579328 in words is "thirty billion, eight million, five hundred seventy-nine thousand, three hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •