Base | Representation |
---|---|
bin | 11100010101110000… |
… | …000000111110010011 |
3 | 2220112200210212211221 |
4 | 130111300000332103 |
5 | 444304444221012 |
6 | 21551301345511 |
7 | 2125035002533 |
oct | 342560007623 |
9 | 86480725757 |
10 | 30429679507 |
11 | 119a5840667 |
12 | 5a92a08297 |
13 | 2b3c3c8826 |
14 | 16895374c3 |
15 | bd1701507 |
hex | 715c00f93 |
30429679507 has 4 divisors (see below), whose sum is σ = 30883853896. Its totient is φ = 29975505120.
The previous prime is 30429679493. The next prime is 30429679519. The reversal of 30429679507 is 70597692403.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30429679507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30429679537) 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, 227087094 + ... + 227087227.
It is an arithmetic number, because the mean of its divisors is an integer number (7720963474).
Almost surely, 230429679507 is an apocalyptic number.
30429679507 is a deficient number, since it is larger than the sum of its proper divisors (454174389).
30429679507 is an equidigital number, since it uses as much as digits as its factorization.
30429679507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454174388.
The product of its (nonzero) digits is 2857680, while the sum is 52.
The spelling of 30429679507 in words is "thirty billion, four hundred twenty-nine million, six hundred seventy-nine thousand, five hundred seven".
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