Base | Representation |
---|---|
bin | 100111010011110010… |
… | …010101010001000101 |
3 | 11000221112121002200121 |
4 | 213103302111101011 |
5 | 1142420210030144 |
6 | 31220125341541 |
7 | 3022644111214 |
oct | 472362252105 |
9 | 130845532617 |
10 | 42207892549 |
11 | 1699a289429 |
12 | 821b4078b1 |
13 | 3c98618464 |
14 | 208590107b |
15 | 1170762384 |
hex | 9d3c95445 |
42207892549 has 16 divisors (see below), whose sum is σ = 45378289152. Its totient is φ = 39163979008.
The previous prime is 42207892541. The next prime is 42207892567. The reversal of 42207892549 is 94529870224.
It is not a de Polignac number, because 42207892549 - 23 = 42207892541 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42207892496 and 42207892505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42207892541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50614 + ... + 294919.
It is an arithmetic number, because the mean of its divisors is an integer number (2836143072).
Almost surely, 242207892549 is an apocalyptic number.
It is an amenable number.
42207892549 is a deficient number, since it is larger than the sum of its proper divisors (3170396603).
42207892549 is a wasteful number, since it uses less digits than its factorization.
42207892549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345716.
The product of its (nonzero) digits is 2903040, while the sum is 52.
The spelling of 42207892549 in words is "forty-two billion, two hundred seven million, eight hundred ninety-two thousand, five hundred forty-nine".
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