Base | Representation |
---|---|
bin | 11100001010100101… |
… | …111000001001001011 |
3 | 2220001122112210010221 |
4 | 130022211320021023 |
5 | 443414033110043 |
6 | 21520533050511 |
7 | 2120302526554 |
oct | 341245701113 |
9 | 86048483127 |
10 | 30242472523 |
11 | 1190a0a624a |
12 | 5a40186a37 |
13 | 2b0c6a0473 |
14 | 166c72532b |
15 | bc00728ed |
hex | 70a97824b |
30242472523 has 4 divisors (see below), whose sum is σ = 30246439120. Its totient is φ = 30238505928.
The previous prime is 30242472497. The next prime is 30242472527. The reversal of 30242472523 is 32527424203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32527424203 = 145823 ⋅223061.
It is a cyclic number.
It is not a de Polignac number, because 30242472523 - 29 = 30242472011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30242472527) 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, 1971840 + ... + 1987117.
It is an arithmetic number, because the mean of its divisors is an integer number (7561609780).
Almost surely, 230242472523 is an apocalyptic number.
30242472523 is a deficient number, since it is larger than the sum of its proper divisors (3966597).
30242472523 is an equidigital number, since it uses as much as digits as its factorization.
30242472523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3966596.
The product of its (nonzero) digits is 80640, while the sum is 34.
Adding to 30242472523 its reverse (32527424203), we get a palindrome (62769896726).
The spelling of 30242472523 in words is "thirty billion, two hundred forty-two million, four hundred seventy-two thousand, five hundred twenty-three".
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