Base | Representation |
---|---|
bin | 111011101001100001100… |
… | …0011011110101010100000 |
3 | 1002000201122121011110222212 |
4 | 1313103003003132222200 |
5 | 2033304121414214140 |
6 | 25234050313021252 |
7 | 1504201550556023 |
oct | 167230303365240 |
9 | 32021577143885 |
10 | 8198070069920 |
11 | 26808669163a5 |
12 | b04a110b4828 |
13 | 4760c8130573 |
14 | 204b083051ba |
15 | e33b5c68765 |
hex | 774c30deaa0 |
8198070069920 has 48 divisors (see below), whose sum is σ = 19379772521928. Its totient is φ = 3277224729600.
The previous prime is 8198070069869. The next prime is 8198070069947. The reversal of 8198070069920 is 299600708918.
It can be written as a sum of positive squares in 4 ways, for example, as 5875213645456 + 2322856424464 = 2423884^2 + 1524092^2 .
It is a super-2 number, since 2×81980700699202 (a number of 27 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 8198070069920.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15388031 + ... + 15911870.
Almost surely, 28198070069920 is an apocalyptic number.
8198070069920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8198070069920 is an abundant number, since it is smaller than the sum of its proper divisors (11181702452008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8198070069920 is a wasteful number, since it uses less digits than its factorization.
8198070069920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31301553 (or 31301545 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 59.
The spelling of 8198070069920 in words is "eight trillion, one hundred ninety-eight billion, seventy million, sixty-nine thousand, nine hundred twenty".
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