Base | Representation |
---|---|
bin | 101010110100101100… |
… | …011111011011010001 |
3 | 11101200111210202021220 |
4 | 222310230133123101 |
5 | 1223132144004042 |
6 | 33042401235253 |
7 | 3215313022263 |
oct | 526454373321 |
9 | 141614722256 |
10 | 45981234897 |
11 | 18556232384 |
12 | 8ab3032b29 |
13 | 444a2ab000 |
14 | 2322ad3b33 |
15 | 12e1b648ec |
hex | ab4b1f6d1 |
45981234897 has 32 divisors (see below), whose sum is σ = 66470315520. Its totient is φ = 28272591360.
The previous prime is 45981234877. The next prime is 45981234907. The reversal of 45981234897 is 79843218954.
It is not a de Polignac number, because 45981234897 - 26 = 45981234833 is a prime.
It is a super-2 number, since 2×459812348972 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 45981234897.
It is not an unprimeable number, because it can be changed into a prime (45981234847) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11182872 + ... + 11186982.
It is an arithmetic number, because the mean of its divisors is an integer number (2077197360).
Almost surely, 245981234897 is an apocalyptic number.
It is an amenable number.
45981234897 is a deficient number, since it is larger than the sum of its proper divisors (20489080623).
45981234897 is a wasteful number, since it uses less digits than its factorization.
45981234897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5850 (or 5824 counting only the distinct ones).
The product of its digits is 17418240, while the sum is 60.
The spelling of 45981234897 in words is "forty-five billion, nine hundred eighty-one million, two hundred thirty-four thousand, eight hundred ninety-seven".
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