Base | Representation |
---|---|
bin | 1110100101001100… |
… | …00100101000010010 |
3 | 202012120001212222022 |
4 | 13102212010220102 |
5 | 112013002204330 |
6 | 3332440411442 |
7 | 364663200626 |
oct | 72246045022 |
9 | 22176055868 |
10 | 7828163090 |
11 | 3357880880 |
12 | 1625776b82 |
13 | 979a69987 |
14 | 543937186 |
15 | 30c3a5ae5 |
hex | 1d2984a12 |
7828163090 has 64 divisors (see below), whose sum is σ = 16013859840. Its totient is φ = 2729376000.
The previous prime is 7828163069. The next prime is 7828163093. The reversal of 7828163090 is 903618287.
It is a super-2 number, since 2×78281630902 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7828163093) 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 31 ways as a sum of consecutive naturals, for example, 361160 + ... + 382220.
It is an arithmetic number, because the mean of its divisors is an integer number (250216560).
Almost surely, 27828163090 is an apocalyptic number.
7828163090 is an abundant number, since it is smaller than the sum of its proper divisors (8185696750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7828163090 is a wasteful number, since it uses less digits than its factorization.
7828163090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21219.
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 7828163090 is about 88476.9071001015. The cubic root of 7828163090 is about 1985.5764887139.
The spelling of 7828163090 in words is "seven billion, eight hundred twenty-eight million, one hundred sixty-three thousand, ninety".
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