Base | Representation |
---|---|
bin | 101010010101011101… |
… | …011101101101100001 |
3 | 11100022222202010022201 |
4 | 222111131131231201 |
5 | 1221044020431032 |
6 | 32514401333201 |
7 | 3166320561523 |
oct | 522535355541 |
9 | 140288663281 |
10 | 45457202017 |
11 | 18307450757 |
12 | 8987637201 |
13 | 439585cc96 |
14 | 22b3283a13 |
15 | 12b0b508e7 |
hex | a9575db61 |
45457202017 has 4 divisors (see below), whose sum is σ = 46424376576. Its totient is φ = 44490027460.
The previous prime is 45457201931. The next prime is 45457202033. The reversal of 45457202017 is 71020275454.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-45457202017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45457232017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483587209 + ... + 483587302.
It is an arithmetic number, because the mean of its divisors is an integer number (11606094144).
Almost surely, 245457202017 is an apocalyptic number.
45457202017 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
It is an amenable number.
45457202017 is a deficient number, since it is larger than the sum of its proper divisors (967174559).
45457202017 is an equidigital number, since it uses as much as digits as its factorization.
45457202017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 967174558.
The product of its (nonzero) digits is 78400, while the sum is 37.
The spelling of 45457202017 in words is "forty-five billion, four hundred fifty-seven million, two hundred two thousand, seventeen".
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