Base | Representation |
---|---|
bin | 1101111111111111000000… |
… | …00100111111000000000001 |
3 | 11001000002111122020101111021 |
4 | 12333333200010333000001 |
5 | 13013343244220412231 |
6 | 145250444030145441 |
7 | 6325125401323051 |
oct | 677774004770001 |
9 | 131002448211437 |
10 | 30785790013441 |
11 | 989a1a8973601 |
12 | 35525aa952281 |
13 | 142411a437048 |
14 | 78607c3b7561 |
15 | 385c20809811 |
hex | 1bffe013f001 |
30785790013441 has 4 divisors (see below), whose sum is σ = 30785900928084. Its totient is φ = 30785679098800.
The previous prime is 30785790013357. The next prime is 30785790013483. The reversal of 30785790013441 is 14431009758703.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16737753792400 + 14048036221041 = 4091180^2 + 3748071^2 .
It is a cyclic number.
It is not a de Polignac number, because 30785790013441 - 213 = 30785790005249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30785790011441) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 55039930 + ... + 55596451.
It is an arithmetic number, because the mean of its divisors is an integer number (7696475232021).
Almost surely, 230785790013441 is an apocalyptic number.
It is an amenable number.
30785790013441 is a deficient number, since it is larger than the sum of its proper divisors (110914643).
30785790013441 is a wasteful number, since it uses less digits than its factorization.
30785790013441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110914642.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 30785790013441 in words is "thirty trillion, seven hundred eighty-five billion, seven hundred ninety million, thirteen thousand, four hundred forty-one".
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