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42207892549 = 2347113345533
BaseRepresentation
bin100111010011110010…
…010101010001000101
311000221112121002200121
4213103302111101011
51142420210030144
631220125341541
73022644111214
oct472362252105
9130845532617
1042207892549
111699a289429
12821b4078b1
133c98618464
14208590107b
151170762384
hex9d3c95445

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".

Divisors: 1 23 47 113 1081 2599 5311 122153 345533 7947259 16240051 39045229 373521173 898040267 1835125763 42207892549