Base | Representation |
---|---|
bin | 1011110110011100100111… |
… | …0001011111001110001000 |
3 | 1201010122202120022110010220 |
4 | 2331213021301133032020 |
5 | 3201440440334031440 |
6 | 43413524202510040 |
7 | 2513250032042043 |
oct | 275471161371610 |
9 | 51118676273126 |
10 | 13030021002120 |
11 | 4174001188a51 |
12 | 156537b805320 |
13 | 7369584c4ab5 |
14 | 330929179c5a |
15 | 178e1a05d8d0 |
hex | bd9c9c5f388 |
13030021002120 has 32 divisors (see below), whose sum is σ = 39090063006720. Its totient is φ = 3474672267200.
The previous prime is 13030021001993. The next prime is 13030021002179. The reversal of 13030021002120 is 2120012003031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13030021002120.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54291754056 + ... + 54291754295.
It is an arithmetic number, because the mean of its divisors is an integer number (1221564468960).
Almost surely, 213030021002120 is an apocalyptic number.
13030021002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13030021002120 is an abundant number, since it is smaller than the sum of its proper divisors (26060042004600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13030021002120 is a wasteful number, since it uses less digits than its factorization.
13030021002120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108583508365 (or 108583508361 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 13030021002120 its reverse (2120012003031), we get a palindrome (15150033005151).
The spelling of 13030021002120 in words is "thirteen trillion, thirty billion, twenty-one million, two thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •