Base | Representation |
---|---|
bin | 11000001111000100… |
… | …01011101111111100 |
3 | 1020120210001200211200 |
4 | 30013202023233330 |
5 | 203121343202140 |
6 | 5551033215500 |
7 | 640301153133 |
oct | 140742135774 |
9 | 36523050750 |
10 | 13011303420 |
11 | 55775a5925 |
12 | 2631561590 |
13 | 12c482b90b |
14 | 8b606c91a |
15 | 512436030 |
hex | 30788bbfc |
13011303420 has 72 divisors (see below), whose sum is σ = 39491468016. Its totient is φ = 3467584512.
The previous prime is 13011303419. The next prime is 13011303457. The reversal of 13011303420 is 2430311031.
13011303420 is a `hidden beast` number, since 130 + 113 + 0 + 3 + 420 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13011303393 and 13011303402.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289164 + ... + 331116.
Almost surely, 213011303420 is an apocalyptic number.
13011303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13011303420 is an abundant number, since it is smaller than the sum of its proper divisors (26480164596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011303420 is a wasteful number, since it uses less digits than its factorization.
13011303420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43691 (or 43686 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13011303420 its reverse (2430311031), we get a palindrome (15441614451).
The spelling of 13011303420 in words is "thirteen billion, eleven million, three hundred three thousand, four hundred twenty".
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