Base | Representation |
---|---|
bin | 11001011111110111… |
… | …10111011011011101 |
3 | 1022100000111120122211 |
4 | 30233323313123131 |
5 | 211013403441243 |
6 | 10142205240421 |
7 | 663141432115 |
oct | 145773673335 |
9 | 38300446584 |
10 | 13689124573 |
11 | 58951769a3 |
12 | 27a0563111 |
13 | 13a20a3c17 |
14 | 93c0b2045 |
15 | 551bc6d9d |
hex | 32fef76dd |
13689124573 has 4 divisors (see below), whose sum is σ = 13699745820. Its totient is φ = 13678503328.
The previous prime is 13689124507. The next prime is 13689124577. The reversal of 13689124573 is 37542198631.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5660606169 + 8028518404 = 75237^2 + 89602^2 .
It is a cyclic number.
It is not a de Polignac number, because 13689124573 - 229 = 13152253661 is a prime.
It is a super-2 number, since 2×136891245732 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13689124577) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5308690 + ... + 5311267.
It is an arithmetic number, because the mean of its divisors is an integer number (3424936455).
Almost surely, 213689124573 is an apocalyptic number.
It is an amenable number.
13689124573 is a deficient number, since it is larger than the sum of its proper divisors (10621247).
13689124573 is a wasteful number, since it uses less digits than its factorization.
13689124573 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10621246.
The product of its digits is 1088640, while the sum is 49.
The spelling of 13689124573 in words is "thirteen billion, six hundred eighty-nine million, one hundred twenty-four thousand, five hundred seventy-three".
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