Base | Representation |
---|---|
bin | 11100001110000000… |
… | …111111010100111111 |
3 | 2220012122121222120222 |
4 | 130032000333110333 |
5 | 444023234131422 |
6 | 21530344131555 |
7 | 2121600666236 |
oct | 341600772477 |
9 | 86178558528 |
10 | 30299911487 |
11 | 11939567a6a |
12 | 5a57466bbb |
13 | 2b1b561811 |
14 | 16761d7b1d |
15 | bc511b842 |
hex | 70e03f53f |
30299911487 has 4 divisors (see below), whose sum is σ = 30301396440. Its totient is φ = 30298426536.
The previous prime is 30299911463. The next prime is 30299911541. The reversal of 30299911487 is 78411999203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30299911487 - 230 = 29226169663 is a prime.
It is a super-2 number, since 2×302999114872 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30299911987) 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, 711437 + ... + 752822.
It is an arithmetic number, because the mean of its divisors is an integer number (7575349110).
Almost surely, 230299911487 is an apocalyptic number.
30299911487 is a deficient number, since it is larger than the sum of its proper divisors (1484953).
30299911487 is a wasteful number, since it uses less digits than its factorization.
30299911487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1484952.
The product of its (nonzero) digits is 979776, while the sum is 53.
The spelling of 30299911487 in words is "thirty billion, two hundred ninety-nine million, nine hundred eleven thousand, four hundred eighty-seven".
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