Base | Representation |
---|---|
bin | 11001000011011111… |
… | …01001110101001101 |
3 | 1021201102111201221101 |
4 | 30201233221311031 |
5 | 210021431322000 |
6 | 10102422303101 |
7 | 654220654153 |
oct | 144157516515 |
9 | 37642451841 |
10 | 13451042125 |
11 | 5782843044 |
12 | 2734887a91 |
13 | 1364974b31 |
14 | 9186193d3 |
15 | 53ad48e6a |
hex | 321be9d4d |
13451042125 has 16 divisors (see below), whose sum is σ = 16801639920. Its totient is φ = 10751385600.
The previous prime is 13451042113. The next prime is 13451042149. The reversal of 13451042125 is 52124015431.
It can be written as a sum of positive squares in 8 ways, for example, as 4024379844 + 9426662281 = 63438^2 + 97091^2 .
It is not a de Polignac number, because 13451042125 - 29 = 13451041613 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13451042093 and 13451042102.
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 15 ways as a sum of consecutive naturals, for example, 97461 + ... + 190789.
It is an arithmetic number, because the mean of its divisors is an integer number (1050102495).
Almost surely, 213451042125 is an apocalyptic number.
It is an amenable number.
13451042125 is a deficient number, since it is larger than the sum of its proper divisors (3350597795).
13451042125 is an equidigital number, since it uses as much as digits as its factorization.
13451042125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94497 (or 94487 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 13451042125 its reverse (52124015431), we get a palindrome (65575057556).
The spelling of 13451042125 in words is "thirteen billion, four hundred fifty-one million, forty-two thousand, one hundred twenty-five".
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