Base | Representation |
---|---|
bin | 11100010101110101… |
… | …001101100111011110 |
3 | 2220112210101002212011 |
4 | 130111311031213132 |
5 | 444310321321024 |
6 | 21551350501434 |
7 | 2125052406052 |
oct | 342565154736 |
9 | 86483332764 |
10 | 30431042014 |
11 | 119a65912aa |
12 | 5a9336487a |
13 | 2b3c784a49 |
14 | 16897adc62 |
15 | bd18c0094 |
hex | 715d4d9de |
30431042014 has 8 divisors (see below), whose sum is σ = 45665073288. Its totient is φ = 15209350920.
The previous prime is 30431042011. The next prime is 30431042039. The reversal of 30431042014 is 41024013403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30431042011) 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, 3078877 + ... + 3088744.
It is an arithmetic number, because the mean of its divisors is an integer number (5708134161).
Almost surely, 230431042014 is an apocalyptic number.
30431042014 is a deficient number, since it is larger than the sum of its proper divisors (15234031274).
30431042014 is a wasteful number, since it uses less digits than its factorization.
30431042014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6170090.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 30431042014 its reverse (41024013403), we get a palindrome (71455055417).
The spelling of 30431042014 in words is "thirty billion, four hundred thirty-one million, forty-two thousand, fourteen".
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