Base | Representation |
---|---|
bin | 101000110010010… |
… | …0101001100001000 |
3 | 10112101011020110010 |
4 | 1101210211030020 |
5 | 10300321402013 |
6 | 343444351520 |
7 | 45625301136 |
oct | 12144451410 |
9 | 3471136403 |
10 | 1368544008 |
11 | 642564407 |
12 | 3223a55a0 |
13 | 18a6b6b70 |
14 | cda84756 |
15 | 8022e7c3 |
hex | 51925308 |
1368544008 has 64 divisors (see below), whose sum is σ = 3878481600. Its totient is φ = 398926080.
The previous prime is 1368544003. The next prime is 1368544019. The reversal of 1368544008 is 8004458631.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (1368544003) 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 15 ways as a sum of consecutive naturals, for example, 109503 + ... + 121358.
It is an arithmetic number, because the mean of its divisors is an integer number (60601275).
Almost surely, 21368544008 is an apocalyptic number.
It is an amenable number.
1368544008 is an abundant number, since it is smaller than the sum of its proper divisors (2509937592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368544008 is a wasteful number, since it uses less digits than its factorization.
1368544008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230902 (or 230898 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 1368544008 is about 36993.8374327401. The cubic root of 1368544008 is about 1110.2469509795.
The spelling of 1368544008 in words is "one billion, three hundred sixty-eight million, five hundred forty-four thousand, eight".
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