Base | Representation |
---|---|
bin | 1111001001001111… |
… | …00110000101110010 |
3 | 202222122001211211011 |
4 | 13210213212011302 |
5 | 113122410132203 |
6 | 3422441541134 |
7 | 405324360520 |
oct | 74447460562 |
9 | 22878054734 |
10 | 8130552178 |
11 | 34a2537211 |
12 | 16aaaa47aa |
13 | 9c75c3028 |
14 | 571b6d310 |
15 | 328bd776d |
hex | 1e49e6172 |
8130552178 has 16 divisors (see below), whose sum is σ = 14114522880. Its totient is φ = 3440414016.
The previous prime is 8130552077. The next prime is 8130552179. The reversal of 8130552178 is 8712550318.
It is a super-2 number, since 2×81305521782 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 8130552178.
It is not an unprimeable number, because it can be changed into a prime (8130552179) 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 7 ways as a sum of consecutive naturals, for example, 3674551 + ... + 3676762.
It is an arithmetic number, because the mean of its divisors is an integer number (882157680).
Almost surely, 28130552178 is an apocalyptic number.
8130552178 is a deficient number, since it is larger than the sum of its proper divisors (5983970702).
8130552178 is a wasteful number, since it uses less digits than its factorization.
8130552178 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7351401.
The product of its (nonzero) digits is 67200, while the sum is 40.
The square root of 8130552178 is about 90169.5745692526. The cubic root of 8130552178 is about 2010.8206988244.
The spelling of 8130552178 in words is "eight billion, one hundred thirty million, five hundred fifty-two thousand, one hundred seventy-eight".
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