Base | Representation |
---|---|
bin | 1011111100011100… |
… | …11101100001000100 |
3 | 121112220121021101210 |
4 | 11332032131201010 |
5 | 101113121444203 |
6 | 2540154051420 |
7 | 314624641500 |
oct | 57616354104 |
9 | 17486537353 |
10 | 6412687428 |
11 | 27a0881a84 |
12 | 12ab719b70 |
13 | 7b2730204 |
14 | 44b957300 |
15 | 277ea5803 |
hex | 17e39d844 |
6412687428 has 36 divisors (see below), whose sum is σ = 17405867472. Its totient is φ = 1832196240.
The previous prime is 6412687417. The next prime is 6412687439. The reversal of 6412687428 is 8247862146.
It is an interprime number because it is at equal distance from previous prime (6412687417) and next prime (6412687439).
It is a super-2 number, since 2×64126874282 = 82245120098458510368, which contains 22 as substring.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 5452378 + ... + 5453553.
Almost surely, 26412687428 is an apocalyptic number.
It is an amenable number.
6412687428 is an abundant number, since it is smaller than the sum of its proper divisors (10993180044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6412687428 is a wasteful number, since it uses less digits than its factorization.
6412687428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10905952 (or 10905943 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 48.
The square root of 6412687428 is about 80079.2571643868. The cubic root of 6412687428 is about 1857.8615949520.
The spelling of 6412687428 in words is "six billion, four hundred twelve million, six hundred eighty-seven thousand, four hundred twenty-eight".
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