Base | Representation |
---|---|
bin | 11100011011111110… |
… | …110011100011101111 |
3 | 2220210222112002110121 |
4 | 130123332303203233 |
5 | 1000013230020030 |
6 | 22005514145411 |
7 | 2130444405415 |
oct | 343376634357 |
9 | 86728462417 |
10 | 30534220015 |
11 | 11a49853482 |
12 | 5b01a22267 |
13 | 2b57c6bc10 |
14 | 169938b2b5 |
15 | bda9a147a |
hex | 71bfb38ef |
30534220015 has 16 divisors (see below), whose sum is σ = 39594306528. Its totient is φ = 22471376256.
The previous prime is 30534220001. The next prime is 30534220033. The reversal of 30534220015 is 51002243503.
It is a cyclic number.
It is not a de Polignac number, because 30534220015 - 229 = 29997349103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782589 + ... + 820678.
It is an arithmetic number, because the mean of its divisors is an integer number (2474644158).
Almost surely, 230534220015 is an apocalyptic number.
30534220015 is a deficient number, since it is larger than the sum of its proper divisors (9060086513).
30534220015 is a wasteful number, since it uses less digits than its factorization.
30534220015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603578.
The product of its (nonzero) digits is 3600, while the sum is 25.
Adding to 30534220015 its reverse (51002243503), we get a palindrome (81536463518).
The spelling of 30534220015 in words is "thirty billion, five hundred thirty-four million, two hundred twenty thousand, fifteen".
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