Base | Representation |
---|---|
bin | 11100001011011010… |
… | …001010110000100000 |
3 | 2220002121100012121202 |
4 | 130023122022300200 |
5 | 443431040232011 |
6 | 21522142540332 |
7 | 2120530201031 |
oct | 341332126040 |
9 | 86077305552 |
10 | 30256180256 |
11 | 11916909055 |
12 | 5a448976a8 |
13 | 2b1248c853 |
14 | 1670492a88 |
15 | bc137e23b |
hex | 70b68ac20 |
30256180256 has 48 divisors (see below), whose sum is σ = 61090848000. Its totient is φ = 14741905920.
The previous prime is 30256180243. The next prime is 30256180289. The reversal of 30256180256 is 65208165203.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150745 + ... + 1176743.
It is an arithmetic number, because the mean of its divisors is an integer number (1272726000).
Almost surely, 230256180256 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 30256180256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30545424000).
30256180256 is an abundant number, since it is smaller than the sum of its proper divisors (30834667744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30256180256 is a wasteful number, since it uses less digits than its factorization.
30256180256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26937 (or 26929 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The spelling of 30256180256 in words is "thirty billion, two hundred fifty-six million, one hundred eighty thousand, two hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •