Base | Representation |
---|---|
bin | 11000010111000011… |
… | …01101100001001001 |
3 | 1020202110002220000222 |
4 | 30023201231201021 |
5 | 203241020212312 |
6 | 10001425035425 |
7 | 642043421603 |
oct | 141341554111 |
9 | 36673086028 |
10 | 13078288457 |
11 | 5601397763 |
12 | 264ba85b75 |
13 | 1305683030 |
14 | 8c0d08173 |
15 | 518268672 |
hex | 30b86d849 |
13078288457 has 8 divisors (see below), whose sum is σ = 14136286080. Its totient is φ = 12027715920.
The previous prime is 13078288441. The next prime is 13078288459. The reversal of 13078288457 is 75488287031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13078288457 - 24 = 13078288441 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13078288399 and 13078288408.
It is not an unprimeable number, because it can be changed into a prime (13078288459) 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, 1852607 + ... + 1859652.
It is an arithmetic number, because the mean of its divisors is an integer number (1767035760).
Almost surely, 213078288457 is an apocalyptic number.
It is an amenable number.
13078288457 is a deficient number, since it is larger than the sum of its proper divisors (1057997623).
13078288457 is a wasteful number, since it uses less digits than its factorization.
13078288457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3712543.
The product of its (nonzero) digits is 3010560, while the sum is 53.
The spelling of 13078288457 in words is "thirteen billion, seventy-eight million, two hundred eighty-eight thousand, four hundred fifty-seven".
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