Base | Representation |
---|---|
bin | 101000110101000… |
… | …0000111010100000 |
3 | 10112110211121012020 |
4 | 1101222000322200 |
5 | 10301202441123 |
6 | 343535101440 |
7 | 45643352433 |
oct | 12152007240 |
9 | 3473747166 |
10 | 1369968288 |
11 | 6433474a7 |
12 | 322971880 |
13 | 18aa95230 |
14 | cdd3581a |
15 | 804117e3 |
hex | 51a80ea0 |
1369968288 has 96 divisors (see below), whose sum is σ = 3927595392. Its totient is φ = 415564800.
The previous prime is 1369968277. The next prime is 1369968329. The reversal of 1369968288 is 8828699631.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-3 number, since 3×13699682883 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 80878 + ... + 96338.
It is an arithmetic number, because the mean of its divisors is an integer number (40912452).
Almost surely, 21369968288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1369968288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963797696).
1369968288 is an abundant number, since it is smaller than the sum of its proper divisors (2557627104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369968288 is a wasteful number, since it uses less digits than its factorization.
1369968288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15558 (or 15550 counting only the distinct ones).
The product of its digits is 8957952, while the sum is 60.
The square root of 1369968288 is about 37013.0826600541. The cubic root of 1369968288 is about 1110.6319719135.
The spelling of 1369968288 in words is "one billion, three hundred sixty-nine million, nine hundred sixty-eight thousand, two hundred eighty-eight".
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