Base | Representation |
---|---|
bin | 1010000000101110… |
… | …0110110111111001 |
3 | 20221021210221010220 |
4 | 2200023212313321 |
5 | 21000433203434 |
6 | 1122400130253 |
7 | 123411333516 |
oct | 24013466771 |
9 | 6837727126 |
10 | 2687397369 |
11 | 1159a69468 |
12 | 630006989 |
13 | 33a9c3377 |
14 | 1b6cb230d |
15 | 10ade5d49 |
hex | a02e6df9 |
2687397369 has 8 divisors (see below), whose sum is σ = 3583934112. Its totient is φ = 1791229440.
The previous prime is 2687397337. The next prime is 2687397379. The reversal of 2687397369 is 9637937862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2687397369 - 25 = 2687397337 is a prime.
It is a super-2 number, since 2×26873973692 = 14444209237816244322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2687397379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74727 + ... + 104684.
It is an arithmetic number, because the mean of its divisors is an integer number (447991764).
Almost surely, 22687397369 is an apocalyptic number.
It is an amenable number.
2687397369 is a deficient number, since it is larger than the sum of its proper divisors (896536743).
2687397369 is a wasteful number, since it uses less digits than its factorization.
2687397369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184407.
The product of its digits is 20575296, while the sum is 60.
The square root of 2687397369 is about 51840.1135126072. The cubic root of 2687397369 is about 1390.3067433724.
The spelling of 2687397369 in words is "two billion, six hundred eighty-seven million, three hundred ninety-seven thousand, three hundred sixty-nine".
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