Base | Representation |
---|---|
bin | 10011101000110011010… |
… | …011010001011000010000 |
3 | 11210000020121111021021220 |
4 | 103220303103101120100 |
5 | 134102213441432010 |
6 | 2511535344445040 |
7 | 166332245213244 |
oct | 23506323213020 |
9 | 4700217437256 |
10 | 1349480420880 |
11 | 480347575809 |
12 | 199656319780 |
13 | 9a3423183a7 |
14 | 4945aca8424 |
15 | 25182d85970 |
hex | 13a334d1610 |
1349480420880 has 160 divisors (see below), whose sum is σ = 4357957739520. Its totient is φ = 345057822720.
The previous prime is 1349480420857. The next prime is 1349480420941. The reversal of 1349480420880 is 880240849431.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21067 + ... + 1642986.
It is an arithmetic number, because the mean of its divisors is an integer number (27237235872).
Almost surely, 21349480420880 is an apocalyptic number.
1349480420880 is a gapful number since it is divisible by the number (10) 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 1349480420880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178978869760).
1349480420880 is an abundant number, since it is smaller than the sum of its proper divisors (3008477318640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1349480420880 is a wasteful number, since it uses less digits than its factorization.
1349480420880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664209 (or 1664203 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 51.
The spelling of 1349480420880 in words is "one trillion, three hundred forty-nine billion, four hundred eighty million, four hundred twenty thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •