Base | Representation |
---|---|
bin | 101010001011100011… |
… | …011011110100001101 |
3 | 11022220101222221002200 |
4 | 222023203123310031 |
5 | 1220223443314312 |
6 | 32450103112113 |
7 | 3162232051035 |
oct | 521343336415 |
9 | 138811887080 |
10 | 45290994957 |
11 | 1823164994a |
12 | 893ba42639 |
13 | 436a2a8200 |
14 | 229917a8c5 |
15 | 12a126e0dc |
hex | a8b8dbd0d |
45290994957 has 18 divisors (see below), whose sum is σ = 70839763722. Its totient is φ = 27871380576.
The previous prime is 45290994953. The next prime is 45290995019. The reversal of 45290994957 is 75949909254.
45290994957 is a `hidden beast` number, since 4 + 52 + 9 + 0 + 99 + 495 + 7 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 1087614441 + 44203380516 = 32979^2 + 210246^2 .
It is not a de Polignac number, because 45290994957 - 22 = 45290994953 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 45290994894 and 45290994903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45290994953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14887038 + ... + 14890079.
It is an arithmetic number, because the mean of its divisors is an integer number (3935542429).
Almost surely, 245290994957 is an apocalyptic number.
It is an amenable number.
45290994957 is a deficient number, since it is larger than the sum of its proper divisors (25548768765).
45290994957 is a wasteful number, since it uses less digits than its factorization.
45290994957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29777149 (or 29777133 counting only the distinct ones).
The product of its (nonzero) digits is 36741600, while the sum is 63.
The spelling of 45290994957 in words is "forty-five billion, two hundred ninety million, nine hundred ninety-four thousand, nine hundred fifty-seven".
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