Base | Representation |
---|---|
bin | 11000011010000101… |
… | …10111001100010001 |
3 | 1020211020000210000010 |
4 | 30031002313030101 |
5 | 203314030143144 |
6 | 10004134545133 |
7 | 642503042256 |
oct | 141502671421 |
9 | 36736023003 |
10 | 13103756049 |
11 | 561480195a |
12 | 26585081a9 |
13 | 130aa2c007 |
14 | 8c445742d |
15 | 51a5e95b9 |
hex | 30d0b7311 |
13103756049 has 16 divisors (see below), whose sum is σ = 18396276800. Its totient is φ = 8273788416.
The previous prime is 13103756047. The next prime is 13103756063. The reversal of 13103756049 is 94065730131.
It is not a de Polignac number, because 13103756049 - 21 = 13103756047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13103755998 and 13103756016.
It is not an unprimeable number, because it can be changed into a prime (13103756047) 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, 192117 + ... + 251229.
It is an arithmetic number, because the mean of its divisors is an integer number (1149767300).
Almost surely, 213103756049 is an apocalyptic number.
13103756049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
13103756049 is a deficient number, since it is larger than the sum of its proper divisors (5292520751).
13103756049 is a wasteful number, since it uses less digits than its factorization.
13103756049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63024.
The product of its (nonzero) digits is 68040, while the sum is 39.
The spelling of 13103756049 in words is "thirteen billion, one hundred three million, seven hundred fifty-six thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •