Base | Representation |
---|---|
bin | 101011110010111101… |
… | …001000101001100101 |
3 | 11111101022022102021020 |
4 | 223302331020221211 |
5 | 1232302100113240 |
6 | 33334153441353 |
7 | 3253225403202 |
oct | 536275105145 |
9 | 144338272236 |
10 | 47025785445 |
11 | 18a419146a1 |
12 | 9144a10259 |
13 | 4585816062 |
14 | 23c171aca9 |
15 | 13536e60d0 |
hex | af2f48a65 |
47025785445 has 16 divisors (see below), whose sum is σ = 75246017280. Its totient is φ = 25078832064.
The previous prime is 47025785423. The next prime is 47025785447. The reversal of 47025785445 is 54458752074.
It is not a de Polignac number, because 47025785445 - 28 = 47025785189 is a prime.
It is a super-2 number, since 2×470257854452 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47025785447) 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 15 ways as a sum of consecutive naturals, for example, 169236 + ... + 350274.
It is an arithmetic number, because the mean of its divisors is an integer number (4702876080).
Almost surely, 247025785445 is an apocalyptic number.
It is an amenable number.
47025785445 is a deficient number, since it is larger than the sum of its proper divisors (28220231835).
47025785445 is a wasteful number, since it uses less digits than its factorization.
47025785445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198364.
The product of its (nonzero) digits is 6272000, while the sum is 51.
The spelling of 47025785445 in words is "forty-seven billion, twenty-five million, seven hundred eighty-five thousand, four hundred forty-five".
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