Base | Representation |
---|---|
bin | 1100000001000111111100… |
… | …0011111001011010110001 |
3 | 1201210012020010110110000002 |
4 | 3000101333003321122301 |
5 | 3212442121442134140 |
6 | 44034101535035345 |
7 | 2532432431311421 |
oct | 300217703713261 |
9 | 51705203413002 |
10 | 13213451130545 |
11 | 423487a764406 |
12 | 1594a3206bb55 |
13 | 74b03b980723 |
14 | 33976a746481 |
15 | 17daa3971415 |
hex | c047f0f96b1 |
13213451130545 has 16 divisors (see below), whose sum is σ = 15890906607552. Its totient is φ = 10547595391680.
The previous prime is 13213451130541. The next prime is 13213451130577. The reversal of 13213451130545 is 54503115431231.
13213451130545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13213451130545 - 22 = 13213451130541 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13213451130499 and 13213451130508.
It is not an unprimeable number, because it can be changed into a prime (13213451130541) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8658794 + ... + 10069836.
It is an arithmetic number, because the mean of its divisors is an integer number (993181662972).
Almost surely, 213213451130545 is an apocalyptic number.
It is an amenable number.
13213451130545 is a deficient number, since it is larger than the sum of its proper divisors (2677455477007).
13213451130545 is a wasteful number, since it uses less digits than its factorization.
13213451130545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1415152.
The product of its (nonzero) digits is 108000, while the sum is 38.
Adding to 13213451130545 its reverse (54503115431231), we get a palindrome (67716566561776).
The spelling of 13213451130545 in words is "thirteen trillion, two hundred thirteen billion, four hundred fifty-one million, one hundred thirty thousand, five hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •