Base | Representation |
---|---|
bin | 11100011111111111… |
… | …111010000011011001 |
3 | 2220222200100020121101 |
4 | 130133333322003121 |
5 | 1000133003231000 |
6 | 22020322511401 |
7 | 2132223313045 |
oct | 343777720331 |
9 | 86880306541 |
10 | 30601617625 |
11 | 11a838a7287 |
12 | 5b20505561 |
13 | 2b68c09067 |
14 | 16a42d3025 |
15 | be1865e6a |
hex | 71fffa0d9 |
30601617625 has 16 divisors (see below), whose sum is σ = 38203321104. Its totient is φ = 24473280000.
The previous prime is 30601617581. The next prime is 30601617677. The reversal of 30601617625 is 52671610603.
It can be written as a sum of positive squares in 8 ways, for example, as 24846271129 + 5755346496 = 157627^2 + 75864^2 .
It is not a de Polignac number, because 30601617625 - 221 = 30599520473 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359145 + ... + 436105.
It is an arithmetic number, because the mean of its divisors is an integer number (2387707569).
Almost surely, 230601617625 is an apocalyptic number.
It is an amenable number.
30601617625 is a deficient number, since it is larger than the sum of its proper divisors (7601703479).
30601617625 is an equidigital number, since it uses as much as digits as its factorization.
30601617625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80157 (or 80147 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 37.
The spelling of 30601617625 in words is "thirty billion, six hundred one million, six hundred seventeen thousand, six hundred twenty-five".
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