Base | Representation |
---|---|
bin | 100000100100101010… |
… | …1111101000000000000 |
3 | 20200112221012120101210 |
4 | 1001021111331000000 |
5 | 2121224142442014 |
6 | 52045022330120 |
7 | 5024265630612 |
oct | 1011125750000 |
9 | 220487176353 |
10 | 69949968384 |
11 | 27735a2a62a |
12 | 11682129940 |
13 | 6799c7aa4a |
14 | 3558110db2 |
15 | 1c4602b859 |
hex | 104957d000 |
69949968384 has 104 divisors (see below), whose sum is σ = 186909446080. Its totient is φ = 23266787328.
The previous prime is 69949968371. The next prime is 69949968401. The reversal of 69949968384 is 48386994996.
It is a happy number.
It is a congruent number.
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, 5978412 + ... + 5990100.
Almost surely, 269949968384 is an apocalyptic number.
69949968384 is a gapful number since it is divisible by the number (64) 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 69949968384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93454723040).
69949968384 is an abundant number, since it is smaller than the sum of its proper divisors (116959477696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69949968384 is a wasteful number, since it uses less digits than its factorization.
69949968384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12203 (or 12181 counting only the distinct ones).
The product of its digits is 725594112, while the sum is 75.
The spelling of 69949968384 in words is "sixty-nine billion, nine hundred forty-nine million, nine hundred sixty-eight thousand, three hundred eighty-four".
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