Base | Representation |
---|---|
bin | 11011111111011111… |
… | …000010101111011010 |
3 | 2212120122220200101021 |
4 | 123333133002233122 |
5 | 443023332202141 |
6 | 21450235113054 |
7 | 2112550621450 |
oct | 337737025732 |
9 | 85518820337 |
10 | 30056131546 |
11 | 118239a2541 |
12 | 59a98a278a |
13 | 2aacbb932c |
14 | 1651a9a9d0 |
15 | bada156d1 |
hex | 6ff7c2bda |
30056131546 has 16 divisors (see below), whose sum is σ = 54555667776. Its totient is φ = 12123481536.
The previous prime is 30056131537. The next prime is 30056131577. The reversal of 30056131546 is 64513165003.
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 63142896 + ... + 63143371.
It is an arithmetic number, because the mean of its divisors is an integer number (3409729236).
Almost surely, 230056131546 is an apocalyptic number.
30056131546 is a deficient number, since it is larger than the sum of its proper divisors (24499536230).
30056131546 is a wasteful number, since it uses less digits than its factorization.
30056131546 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126286293.
The product of its (nonzero) digits is 32400, while the sum is 34.
Adding to 30056131546 its reverse (64513165003), we get a palindrome (94569296549).
The spelling of 30056131546 in words is "thirty billion, fifty-six million, one hundred thirty-one thousand, five hundred forty-six".
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