Base | Representation |
---|---|
bin | 11011111111000111… |
… | …111111110001000000 |
3 | 2212120020112202000002 |
4 | 123333013333301000 |
5 | 443020310340143 |
6 | 21445501415132 |
7 | 2112445356656 |
oct | 337707776100 |
9 | 85506482002 |
10 | 30050090048 |
11 | 11820546470 |
12 | 59a786a4a8 |
13 | 2aab882494 |
14 | 1650d66dd6 |
15 | bad2205b8 |
hex | 6ff1ffc40 |
30050090048 has 56 divisors (see below), whose sum is σ = 65207509920. Its totient is φ = 13626398720.
The previous prime is 30050089987. The next prime is 30050090117. The reversal of 30050090048 is 84009005003.
It is a self number, because there is not a number n which added to its sum of digits gives 30050090048.
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, 244040 + ... + 345912.
It is an arithmetic number, because the mean of its divisors is an integer number (1164419820).
Almost surely, 230050090048 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 30050090048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32603754960).
30050090048 is an abundant number, since it is smaller than the sum of its proper divisors (35157419872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30050090048 is a wasteful number, since it uses less digits than its factorization.
30050090048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102315 (or 102305 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The spelling of 30050090048 in words is "thirty billion, fifty million, ninety thousand, forty-eight".
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