Base | Representation |
---|---|
bin | 1011111101001001101111… |
… | …1001101010011001101000 |
3 | 1201112200002200002202220011 |
4 | 2333102123321222121220 |
5 | 3210332400132310440 |
6 | 43542454552541304 |
7 | 2524465460151511 |
oct | 277223371523150 |
9 | 51480080082804 |
10 | 13145215510120 |
11 | 4208944507881 |
12 | 158376a0b1834 |
13 | 744785c33b75 |
14 | 3363361b3a08 |
15 | 17be0d1ce9ea |
hex | bf49be6a668 |
13145215510120 has 32 divisors (see below), whose sum is σ = 29578744012320. Its totient is φ = 5257729028160.
The previous prime is 13145215510069. The next prime is 13145215510129. The reversal of 13145215510120 is 2101551254131.
It is not an unprimeable number, because it can be changed into a prime (13145215510129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10565142 + ... + 11743621.
It is an arithmetic number, because the mean of its divisors is an integer number (924335750385).
Almost surely, 213145215510120 is an apocalyptic number.
13145215510120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13145215510120 is an abundant number, since it is smaller than the sum of its proper divisors (16433528502200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13145215510120 is a wasteful number, since it uses less digits than its factorization.
13145215510120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22323505 (or 22323501 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 31.
Adding to 13145215510120 its reverse (2101551254131), we get a palindrome (15246766764251).
The spelling of 13145215510120 in words is "thirteen trillion, one hundred forty-five billion, two hundred fifteen million, five hundred ten thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •