Base | Representation |
---|---|
bin | 11100001000100001… |
… | …000010111100100001 |
3 | 2212222020000200211202 |
4 | 130020201002330201 |
5 | 443331124322432 |
6 | 21513250450545 |
7 | 2116400542103 |
oct | 341041027441 |
9 | 85866020752 |
10 | 30207651617 |
11 | 118a1482840 |
12 | 5a30593a55 |
13 | 2b053cb090 |
14 | 1667c5d573 |
15 | bbbe95462 |
hex | 708842f21 |
30207651617 has 16 divisors (see below), whose sum is σ = 35502246528. Its totient is φ = 25339409280.
The previous prime is 30207651533. The next prime is 30207651637. The reversal of 30207651617 is 71615670203.
It is a cyclic number.
It is not a de Polignac number, because 30207651617 - 212 = 30207647521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30207651637) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349028 + ... + 426890.
It is an arithmetic number, because the mean of its divisors is an integer number (2218890408).
Almost surely, 230207651617 is an apocalyptic number.
It is an amenable number.
30207651617 is a deficient number, since it is larger than the sum of its proper divisors (5294594911).
30207651617 is a wasteful number, since it uses less digits than its factorization.
30207651617 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80600.
The product of its (nonzero) digits is 52920, while the sum is 38.
The spelling of 30207651617 in words is "thirty billion, two hundred seven million, six hundred fifty-one thousand, six hundred seventeen".
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