Base | Representation |
---|---|
bin | 11001001110011000… |
… | …01110111110110100 |
3 | 1021221210110020101002 |
4 | 30213030032332310 |
5 | 210213324423104 |
6 | 10115445022432 |
7 | 656410450142 |
oct | 144714167664 |
9 | 37853406332 |
10 | 13542420404 |
11 | 581a385987 |
12 | 275b3b4a18 |
13 | 137a88a216 |
14 | 926804592 |
15 | 543d9901e |
hex | 32730efb4 |
13542420404 has 12 divisors (see below), whose sum is σ = 23706708228. Its totient is φ = 6769075200.
The previous prime is 13542420349. The next prime is 13542420407. The reversal of 13542420404 is 40402424531.
It can be written as a sum of positive squares in 2 ways, for example, as 2970468004 + 10571952400 = 54502^2 + 102820^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13542420407) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 519437 + ... + 544884.
It is an arithmetic number, because the mean of its divisors is an integer number (1975559019).
Almost surely, 213542420404 is an apocalyptic number.
It is an amenable number.
13542420404 is a deficient number, since it is larger than the sum of its proper divisors (10164287824).
13542420404 is a wasteful number, since it uses less digits than its factorization.
13542420404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1067506 (or 1067504 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 29.
Adding to 13542420404 its reverse (40402424531), we get a palindrome (53944844935).
The spelling of 13542420404 in words is "thirteen billion, five hundred forty-two million, four hundred twenty thousand, four hundred four".
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