Base | Representation |
---|---|
bin | 1011010110010110001100… |
… | …0000101110101110010101 |
3 | 1122011221021222122022020220 |
4 | 2311211203000232232111 |
5 | 3113422023012140040 |
6 | 42312321311144553 |
7 | 2425354611344502 |
oct | 265454300565625 |
9 | 48157258568226 |
10 | 12478541130645 |
11 | 3a81135176127 |
12 | 1496512215159 |
13 | 6c694bb41b15 |
14 | 311d70c824a9 |
15 | 1698debb52d0 |
hex | b596302eb95 |
12478541130645 has 16 divisors (see below), whose sum is σ = 19972688622912. Its totient is φ = 6652880998400.
The previous prime is 12478541130641. The next prime is 12478541130659. The reversal of 12478541130645 is 54603114587421.
It is a happy number.
12478541130645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12478541130645 - 22 = 12478541130641 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12478541130641) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146264556 + ... + 146349845.
It is an arithmetic number, because the mean of its divisors is an integer number (1248293038932).
Almost surely, 212478541130645 is an apocalyptic number.
12478541130645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12478541130645 is a deficient number, since it is larger than the sum of its proper divisors (7494147492267).
12478541130645 is a wasteful number, since it uses less digits than its factorization.
12478541130645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292617252.
The product of its (nonzero) digits is 3225600, while the sum is 51.
The spelling of 12478541130645 in words is "twelve trillion, four hundred seventy-eight billion, five hundred forty-one million, one hundred thirty thousand, six hundred forty-five".
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