Base | Representation |
---|---|
bin | 1101110010001100100011… |
… | …10010000101000010001101 |
3 | 10222022210122111020201202110 |
4 | 12321012101302011002031 |
5 | 12433113014142011023 |
6 | 144245053201414233 |
7 | 6245654235036312 |
oct | 671062162050215 |
9 | 128283574221673 |
10 | 30312030032013 |
11 | 97272947a1474 |
12 | 349681163a379 |
13 | 13bb5486b90a2 |
14 | 76b1780c6d09 |
15 | 37874368ba93 |
hex | 1b9191c8508d |
30312030032013 has 32 divisors (see below), whose sum is σ = 41864814984960. Its totient is φ = 19508672909376.
The previous prime is 30312030031973. The next prime is 30312030032033. The reversal of 30312030032013 is 31023003021303.
It is not a de Polignac number, because 30312030032013 - 233 = 30303440097421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30312030032033) 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 31 ways as a sum of consecutive naturals, for example, 687528256 + ... + 687572342.
It is an arithmetic number, because the mean of its divisors is an integer number (1308275468280).
Almost surely, 230312030032013 is an apocalyptic number.
It is an amenable number.
30312030032013 is a deficient number, since it is larger than the sum of its proper divisors (11552784952947).
30312030032013 is an frugal number, since it uses more digits than its factorization.
30312030032013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53574 (or 53516 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30312030032013 its reverse (31023003021303), we get a palindrome (61335033053316).
The spelling of 30312030032013 in words is "thirty trillion, three hundred twelve billion, thirty million, thirty-two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •