Base | Representation |
---|---|
bin | 11001110101010000… |
… | …00101100110001001 |
3 | 1022210112000020112100 |
4 | 30322220011212021 |
5 | 211400313122342 |
6 | 10212053504013 |
7 | 1000450132551 |
oct | 147250054611 |
9 | 38715006470 |
10 | 13868489097 |
11 | 5977445141 |
12 | 2830642009 |
13 | 14002b4788 |
14 | 957c42161 |
15 | 562806e4c |
hex | 33aa05989 |
13868489097 has 6 divisors (see below), whose sum is σ = 20032262042. Its totient is φ = 9245659392.
The previous prime is 13868489087. The next prime is 13868489111. The reversal of 13868489097 is 79098486831.
13868489097 is a `hidden beast` number, since 1 + 3 + 8 + 68 + 489 + 0 + 97 = 666.
It can be written as a sum of positive squares in only one way, i.e., 13866475536 + 2013561 = 117756^2 + 1419^2 .
It is not a de Polignac number, because 13868489097 - 24 = 13868489081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13868489017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770471608 + ... + 770471625.
Almost surely, 213868489097 is an apocalyptic number.
It is an amenable number.
13868489097 is a deficient number, since it is larger than the sum of its proper divisors (6163772945).
13868489097 is a wasteful number, since it uses less digits than its factorization.
13868489097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1540943239 (or 1540943236 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 63.
The spelling of 13868489097 in words is "thirteen billion, eight hundred sixty-eight million, four hundred eighty-nine thousand, ninety-seven".
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