Base | Representation |
---|---|
bin | 101000110011010… |
… | …1111000101010010 |
3 | 10112102012221020000 |
4 | 1101212233011102 |
5 | 10300442440233 |
6 | 343504430430 |
7 | 45633142620 |
oct | 12146570522 |
9 | 3472187200 |
10 | 1369108818 |
11 | 64290a7a0 |
12 | 322618416 |
13 | 18a853c7c |
14 | cdb90510 |
15 | 802e1d13 |
hex | 519af152 |
1369108818 has 160 divisors (see below), whose sum is σ = 3919563648. Its totient is φ = 346809600.
The previous prime is 1369108813. The next prime is 1369108837. The reversal of 1369108818 is 8188019631.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1369108813) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 510096 + ... + 512772.
Almost surely, 21369108818 is an apocalyptic number.
1369108818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1369108818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959781824).
1369108818 is an abundant number, since it is smaller than the sum of its proper divisors (2550454830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369108818 is a wasteful number, since it uses less digits than its factorization.
1369108818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2750 (or 2741 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 45.
The square root of 1369108818 is about 37001.4704842929. The cubic root of 1369108818 is about 1110.3996661594.
The spelling of 1369108818 in words is "one billion, three hundred sixty-nine million, one hundred eight thousand, eight hundred eighteen".
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