Base | Representation |
---|---|
bin | 11100011100101010… |
… | …011011000110111111 |
3 | 2220211210001000020012 |
4 | 130130222123012333 |
5 | 1000024141413312 |
6 | 22011003213435 |
7 | 2130643530305 |
oct | 343452330677 |
9 | 86753030205 |
10 | 30545654207 |
11 | 11a55253122 |
12 | 5b0581727b |
13 | 2b5a443503 |
14 | 169aac6275 |
15 | bdb9ae322 |
hex | 71ca9b1bf |
30545654207 has 4 divisors (see below), whose sum is σ = 30609424320. Its totient is φ = 30481884096.
The previous prime is 30545654201. The next prime is 30545654219. The reversal of 30545654207 is 70245654503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70245654503 = 349 ⋅201276947.
It is a cyclic number.
It is not a de Polignac number, because 30545654207 - 26 = 30545654143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30545654201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31884338 + ... + 31885295.
It is an arithmetic number, because the mean of its divisors is an integer number (7652356080).
Almost surely, 230545654207 is an apocalyptic number.
30545654207 is a deficient number, since it is larger than the sum of its proper divisors (63770113).
30545654207 is an equidigital number, since it uses as much as digits as its factorization.
30545654207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63770112.
The product of its (nonzero) digits is 504000, while the sum is 41.
The spelling of 30545654207 in words is "thirty billion, five hundred forty-five million, six hundred fifty-four thousand, two hundred seven".
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