Base | Representation |
---|---|
bin | 11001110101111001… |
… | …00011011110100001 |
3 | 1022210220002211022010 |
4 | 30322330203132201 |
5 | 211403201314434 |
6 | 10212404503133 |
7 | 1000543550004 |
oct | 147274433641 |
9 | 38726084263 |
10 | 13873854369 |
11 | 597a47a151 |
12 | 28323aaaa9 |
13 | 14014428ab |
14 | 95883b53b |
15 | 5630169e9 |
hex | 33af237a1 |
13873854369 has 16 divisors (see below), whose sum is σ = 19001848320. Its totient is φ = 8997638400.
The previous prime is 13873854367. The next prime is 13873854389. The reversal of 13873854369 is 96345837831.
It is not a de Polignac number, because 13873854369 - 21 = 13873854367 is a prime.
It is a super-2 number, since 2×138738543692 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13873854367) 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 15 ways as a sum of consecutive naturals, for example, 1112569 + ... + 1124969.
It is an arithmetic number, because the mean of its divisors is an integer number (1187615520).
Almost surely, 213873854369 is an apocalyptic number.
It is an amenable number.
13873854369 is a deficient number, since it is larger than the sum of its proper divisors (5127993951).
13873854369 is a wasteful number, since it uses less digits than its factorization.
13873854369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22520.
The product of its digits is 13063680, while the sum is 57.
The spelling of 13873854369 in words is "thirteen billion, eight hundred seventy-three million, eight hundred fifty-four thousand, three hundred sixty-nine".
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