Base | Representation |
---|---|
bin | 11100000011011111… |
… | …001000110000111010 |
3 | 2212202100020102021112 |
4 | 130003133020300322 |
5 | 443143023440312 |
6 | 21501034040322 |
7 | 2114324346161 |
oct | 340337106072 |
9 | 85670212245 |
10 | 30123265082 |
11 | 118588859a9 |
12 | 5a082790a2 |
13 | 2ac0a93211 |
14 | 165a9743d8 |
15 | bb4876d22 |
hex | 7037c8c3a |
30123265082 has 4 divisors (see below), whose sum is σ = 45184897626. Its totient is φ = 15061632540.
The previous prime is 30123265031. The next prime is 30123265093. The reversal of 30123265082 is 28056232103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28056232103 = 613 ⋅45768731.
It can be written as a sum of positive squares in only one way, i.e., 27082955761 + 3040309321 = 164569^2 + 55139^2 .
It is a super-2 number, since 2×301232650822 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 7530816269 + ... + 7530816272.
Almost surely, 230123265082 is an apocalyptic number.
30123265082 is a deficient number, since it is larger than the sum of its proper divisors (15061632544).
30123265082 is a wasteful number, since it uses less digits than its factorization.
30123265082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15061632543.
The product of its (nonzero) digits is 17280, while the sum is 32.
Adding to 30123265082 its reverse (28056232103), we get a palindrome (58179497185).
The spelling of 30123265082 in words is "thirty billion, one hundred twenty-three million, two hundred sixty-five thousand, eighty-two".
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