Base | Representation |
---|---|
bin | 11100110000110001… |
… | …100000111101111011 |
3 | 2221201021220212120121 |
4 | 130300301200331323 |
5 | 1001222030320111 |
6 | 22104255034111 |
7 | 2142211441414 |
oct | 346061407573 |
9 | 87637825517 |
10 | 30883057531 |
11 | 12108754247 |
12 | 5b9a80b937 |
13 | 2bb2308c51 |
14 | 16cd83480b |
15 | c0b40a871 |
hex | 730c60f7b |
30883057531 has 4 divisors (see below), whose sum is σ = 32699707992. Its totient is φ = 29066407072.
The previous prime is 30883057379. The next prime is 30883057537. The reversal of 30883057531 is 13575038803.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13575038803 = 313 ⋅43370731.
It is a cyclic number.
It is not a de Polignac number, because 30883057531 - 213 = 30883049339 is a prime.
It is a super-2 number, since 2×308830575312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30883057537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908325205 + ... + 908325238.
It is an arithmetic number, because the mean of its divisors is an integer number (8174926998).
Almost surely, 230883057531 is an apocalyptic number.
30883057531 is a deficient number, since it is larger than the sum of its proper divisors (1816650461).
30883057531 is a wasteful number, since it uses less digits than its factorization.
30883057531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1816650460.
The product of its (nonzero) digits is 302400, while the sum is 43.
The spelling of 30883057531 in words is "thirty billion, eight hundred eighty-three million, fifty-seven thousand, five hundred thirty-one".
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