Base | Representation |
---|---|
bin | 11011111110000000… |
… | …100000110110101110 |
3 | 2212111221021201011012 |
4 | 123332000200312232 |
5 | 443001011214324 |
6 | 21443552025222 |
7 | 2112130162544 |
oct | 337600406656 |
9 | 85457251135 |
10 | 30031351214 |
11 | 11810a07727 |
12 | 59a1532212 |
13 | 2aa7a21107 |
14 | 164c689d94 |
15 | bab76d20e |
hex | 6fe020dae |
30031351214 has 4 divisors (see below), whose sum is σ = 45047026824. Its totient is φ = 15015675606.
The previous prime is 30031351187. The next prime is 30031351261. The reversal of 30031351214 is 41215313003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41215313003 = 163 ⋅252854681.
It is a self number, because there is not a number n which added to its sum of digits gives 30031351214.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507837802 + ... + 7507837805.
It is an arithmetic number, because the mean of its divisors is an integer number (11261756706).
Almost surely, 230031351214 is an apocalyptic number.
30031351214 is a deficient number, since it is larger than the sum of its proper divisors (15015675610).
30031351214 is a wasteful number, since it uses less digits than its factorization.
30031351214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15015675609.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 30031351214 its reverse (41215313003), we get a palindrome (71246664217).
The spelling of 30031351214 in words is "thirty billion, thirty-one million, three hundred fifty-one thousand, two hundred fourteen".
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