Base | Representation |
---|---|
bin | 11000111101010000… |
… | …11001001111000001 |
3 | 1021120210012221111020 |
4 | 30132220121033001 |
5 | 204420043314424 |
6 | 10053314540053 |
7 | 653014661454 |
oct | 143650311701 |
9 | 37523187436 |
10 | 13398807489 |
11 | 5756306421 |
12 | 271b297629 |
13 | 1356bb6572 |
14 | 9116dd49b |
15 | 53647c079 |
hex | 31ea193c1 |
13398807489 has 8 divisors (see below), whose sum is σ = 17957642592. Its totient is φ = 8886255360.
The previous prime is 13398807479. The next prime is 13398807491. The reversal of 13398807489 is 98470889331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13398807489 - 27 = 13398807361 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13398807479) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11570067 + ... + 11571224.
It is an arithmetic number, because the mean of its divisors is an integer number (2244705324).
Almost surely, 213398807489 is an apocalyptic number.
It is an amenable number.
13398807489 is a deficient number, since it is larger than the sum of its proper divisors (4558835103).
13398807489 is a wasteful number, since it uses less digits than its factorization.
13398807489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23141487.
The product of its (nonzero) digits is 10450944, while the sum is 60.
The spelling of 13398807489 in words is "thirteen billion, three hundred ninety-eight million, eight hundred seven thousand, four hundred eighty-nine".
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