| Base | Representation |
|---|---|
| bin | 110010011101100… |
| … | …0010100000100000 |
| 3 | 11101000001101111200 |
| 4 | 1210323002200200 |
| 5 | 11431424321433 |
| 6 | 440003041200 |
| 7 | 56646643251 |
| oct | 14473024040 |
| 9 | 4330041450 |
| 10 | 1693198368 |
| 11 | 799847aa4 |
| 12 | 3b3070200 |
| 13 | 20ca37734 |
| 14 | 120c34b28 |
| 15 | 9d9ad613 |
| hex | 64ec2820 |
1693198368 has 144 divisors (see below), whose sum is σ = 5123139840. Its totient is φ = 528611328.
The previous prime is 1693198349. The next prime is 1693198369. The reversal of 1693198368 is 8638913961.
1693198368 is a `hidden beast` number, since 1 + 6 + 93 + 198 + 368 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1693198369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1169421 + ... + 1170867.
It is an arithmetic number, because the mean of its divisors is an integer number (35577360).
Almost surely, 21693198368 is an apocalyptic number.
1693198368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1693198368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561569920).
1693198368 is an abundant number, since it is smaller than the sum of its proper divisors (3429941472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1693198368 is a wasteful number, since it uses less digits than its factorization.
1693198368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1719 (or 1708 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 54.
The square root of 1693198368 is about 41148.4916856013. The cubic root of 1693198368 is about 1191.8893715927.
The spelling of 1693198368 in words is "one billion, six hundred ninety-three million, one hundred ninety-eight thousand, three hundred sixty-eight".
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