Base | Representation |
---|---|
bin | 1000111000001100001… |
… | …10100001101101000111 |
3 | 1002011101010002020100110 |
4 | 10130012012201231013 |
5 | 14444213013132411 |
6 | 352045154044103 |
7 | 31016205106413 |
oct | 4340606415507 |
9 | 1064333066313 |
10 | 305045052231 |
11 | 108406a85757 |
12 | 4b152b79633 |
13 | 229c510280a |
14 | 10a9b1add43 |
15 | 7e055642a6 |
hex | 47061a1b47 |
305045052231 has 16 divisors (see below), whose sum is σ = 428267831040. Its totient is φ = 192599542080.
The previous prime is 305045052161. The next prime is 305045052239. The reversal of 305045052231 is 132250540503.
It is not a de Polignac number, because 305045052231 - 29 = 305045051719 is a prime.
It is a super-2 number, since 2×3050450522312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305045052239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656670 + ... + 1020443.
It is an arithmetic number, because the mean of its divisors is an integer number (26766739440).
Almost surely, 2305045052231 is an apocalyptic number.
305045052231 is a deficient number, since it is larger than the sum of its proper divisors (123222778809).
305045052231 is a wasteful number, since it uses less digits than its factorization.
305045052231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1680326.
The product of its (nonzero) digits is 18000, while the sum is 30.
Adding to 305045052231 its reverse (132250540503), we get a palindrome (437295592734).
The spelling of 305045052231 in words is "three hundred five billion, forty-five million, fifty-two thousand, two hundred thirty-one".
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