Base | Representation |
---|---|
bin | 1100010101001010101111… |
… | …1010110111111010001100 |
3 | 1210000010001110201112201200 |
4 | 3011102223322313322030 |
5 | 3234112334041422333 |
6 | 44500211242305500 |
7 | 2566342644046020 |
oct | 305225372677214 |
9 | 53003043645650 |
10 | 13557801123468 |
11 | 4357916312818 |
12 | 162b7141b8290 |
13 | 774658b361a4 |
14 | 34c2b5a74380 |
15 | 187a09973c13 |
hex | c54abeb7e8c |
13557801123468 has 36 divisors (see below), whose sum is σ = 39166981024080. Its totient is φ = 3873657463776.
The previous prime is 13557801123407. The next prime is 13557801123469. The reversal of 13557801123468 is 86432110875531.
13557801123468 is a `hidden beast` number, since 1 + 3 + 5 + 57 + 8 + 0 + 1 + 123 + 468 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (13557801123469) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26900398803 + ... + 26900399306.
Almost surely, 213557801123468 is an apocalyptic number.
13557801123468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13557801123468 is an abundant number, since it is smaller than the sum of its proper divisors (25609179900612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13557801123468 is a wasteful number, since it uses less digits than its factorization.
13557801123468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53800798126 (or 53800798121 counting only the distinct ones).
The product of its (nonzero) digits is 4838400, while the sum is 54.
Adding to 13557801123468 its reverse (86432110875531), we get a palindrome (99989911998999).
The spelling of 13557801123468 in words is "thirteen trillion, five hundred fifty-seven billion, eight hundred one million, one hundred twenty-three thousand, four hundred sixty-eight".
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