Base | Representation |
---|---|
bin | 11000111110000110… |
… | …10110011101111011 |
3 | 1021121021111221222110 |
4 | 30133003112131323 |
5 | 204423400432133 |
6 | 10054130223403 |
7 | 653132022612 |
oct | 143703263573 |
9 | 37537457873 |
10 | 13405874043 |
11 | 575a2a2651 |
12 | 2721724b63 |
13 | 13584bbb63 |
14 | 91261c879 |
15 | 536dc5c63 |
hex | 31f0d677b |
13405874043 has 16 divisors (see below), whose sum is σ = 18012498560. Its totient is φ = 8868317184.
The previous prime is 13405873981. The next prime is 13405874057. The reversal of 13405874043 is 34047850431.
It is not a de Polignac number, because 13405874043 - 26 = 13405873979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13405873992 and 13405874010.
It is not an unprimeable number, because it can be changed into a prime (13405874843) 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, 911355 + ... + 925947.
It is an arithmetic number, because the mean of its divisors is an integer number (1125781160).
Almost surely, 213405874043 is an apocalyptic number.
13405874043 is a deficient number, since it is larger than the sum of its proper divisors (4606624517).
13405874043 is a wasteful number, since it uses less digits than its factorization.
13405874043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16938.
The product of its (nonzero) digits is 161280, while the sum is 39.
The spelling of 13405874043 in words is "thirteen billion, four hundred five million, eight hundred seventy-four thousand, forty-three".
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