Base | Representation |
---|---|
bin | 11100001010100001… |
… | …011100101100101011 |
3 | 2220001120100210120020 |
4 | 130022201130230223 |
5 | 443413233432111 |
6 | 21520452131523 |
7 | 2120256623004 |
oct | 341241345453 |
9 | 86046323506 |
10 | 30241311531 |
11 | 11909482a52 |
12 | 5a3b906ba3 |
13 | 2b0c384ba2 |
14 | 166c5021ab |
15 | bbede3906 |
hex | 70a85cb2b |
30241311531 has 4 divisors (see below), whose sum is σ = 40321748712. Its totient is φ = 20160874352.
The previous prime is 30241311523. The next prime is 30241311547. The reversal of 30241311531 is 13511314203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30241311531 - 23 = 30241311523 is a prime.
It is a super-2 number, since 2×302413115312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30241311511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5040218586 + ... + 5040218591.
It is an arithmetic number, because the mean of its divisors is an integer number (10080437178).
Almost surely, 230241311531 is an apocalyptic number.
30241311531 is a deficient number, since it is larger than the sum of its proper divisors (10080437181).
30241311531 is a wasteful number, since it uses less digits than its factorization.
30241311531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10080437180.
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 30241311531 its reverse (13511314203), we get a palindrome (43752625734).
The spelling of 30241311531 in words is "thirty billion, two hundred forty-one million, three hundred eleven thousand, five hundred thirty-one".
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