Base | Representation |
---|---|
bin | 1011111011101100100100… |
… | …0110011100000111010100 |
3 | 1201110021112120120221220011 |
4 | 2332323021012130013110 |
5 | 3204430134212433140 |
6 | 43523201042050004 |
7 | 2522621613115564 |
oct | 276731106340724 |
9 | 51407476527804 |
10 | 13120204030420 |
11 | 41a927a14a9a3 |
12 | 157a949949904 |
13 | 7422cb20b436 |
14 | 3350424bcda4 |
15 | 17b4474e0cea |
hex | beec919c1d4 |
13120204030420 has 24 divisors (see below), whose sum is σ = 27657190560384. Its totient is φ = 5228126927136.
The previous prime is 13120204030369. The next prime is 13120204030433. The reversal of 13120204030420 is 2403040202131.
It is a junction number, because it is equal to n+sod(n) for n = 13120204030391 and 13120204030400.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247162424 + ... + 1247172943.
It is an arithmetic number, because the mean of its divisors is an integer number (1152382940016).
Almost surely, 213120204030420 is an apocalyptic number.
13120204030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13120204030420 is an abundant number, since it is smaller than the sum of its proper divisors (14536986529964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120204030420 is a wasteful number, since it uses less digits than its factorization.
13120204030420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2494335639 (or 2494335637 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 13120204030420 its reverse (2403040202131), we get a palindrome (15523244232551).
The spelling of 13120204030420 in words is "thirteen trillion, one hundred twenty billion, two hundred four million, thirty thousand, four hundred twenty".
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