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42009754633 = 7112323720923
BaseRepresentation
bin100111000111111110…
…011111110000001001
311000102201202122120021
4213013332133300021
51142013444122013
631144330500441
73015020010520
oct470776376011
9130381678507
1042009754633
11168a8458490
128184b94721
133c665638a2
1420674854b7
15115d174a8d
hex9c7f9fc09

42009754633 has 16 divisors (see below), whose sum is σ = 54653008896. Its totient is φ = 31311617040.

The previous prime is 42009754627. The next prime is 42009754669. The reversal of 42009754633 is 33645790024.

It is not a de Polignac number, because 42009754633 - 29 = 42009754121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42009754633.

It is not an unprimeable number, because it can be changed into a prime (42009754613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11858691 + ... + 11862232.

It is an arithmetic number, because the mean of its divisors is an integer number (3415813056).

Almost surely, 242009754633 is an apocalyptic number.

It is an amenable number.

42009754633 is a deficient number, since it is larger than the sum of its proper divisors (12643254263).

42009754633 is a wasteful number, since it uses less digits than its factorization.

42009754633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720964.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 42009754633 in words is "forty-two billion, nine million, seven hundred fifty-four thousand, six hundred thirty-three".

Divisors: 1 7 11 23 77 161 253 1771 23720923 166046461 260930153 545581229 1826511071 3819068603 6001393519 42009754633