Base | Representation |
---|---|
bin | 1000011101000100000… |
… | …0101000101011100101 |
3 | 111212220001200011022202 |
4 | 2013101000220223211 |
5 | 4334423033304131 |
6 | 150420024304245 |
7 | 13331124045266 |
oct | 2072100505345 |
9 | 455801604282 |
10 | 145240525541 |
11 | 56661543591 |
12 | 24194912085 |
13 | 109084c6997 |
14 | 705b62096d |
15 | 3ba0d39bcb |
hex | 21d1028ae5 |
145240525541 has 8 divisors (see below), whose sum is σ = 145646657664. Its totient is φ = 144834842880.
The previous prime is 145240525517. The next prime is 145240525571. The reversal of 145240525541 is 145525042541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145240525541 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 145240525495 and 145240525504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145240525571) 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, 540101 + ... + 763013.
It is an arithmetic number, because the mean of its divisors is an integer number (18205832208).
Almost surely, 2145240525541 is an apocalyptic number.
It is an amenable number.
145240525541 is a deficient number, since it is larger than the sum of its proper divisors (406132123).
145240525541 is a wasteful number, since it uses less digits than its factorization.
145240525541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224731.
The product of its (nonzero) digits is 160000, while the sum is 38.
The spelling of 145240525541 in words is "one hundred forty-five billion, two hundred forty million, five hundred twenty-five thousand, five hundred forty-one".
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