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42044153420 = 22519110642509
BaseRepresentation
bin100111001010000001…
…101101111001001100
311000112010111021211102
4213022001231321030
51142101300402140
631152000042232
73015615256523
oct471201557114
9130463437742
1042044153420
1116915912835
128194603378
133c70718ab9
14206bc7b4ba
1511611bbe15
hex9ca06de4c

42044153420 has 24 divisors (see below), whose sum is σ = 92939708400. Its totient is φ = 15932521152.

The previous prime is 42044153377. The next prime is 42044153461. The reversal of 42044153420 is 2435144024.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55320875 + ... + 55321634.

It is an arithmetic number, because the mean of its divisors is an integer number (3872487850).

Almost surely, 242044153420 is an apocalyptic number.

It is an amenable number.

42044153420 is an abundant number, since it is smaller than the sum of its proper divisors (50895554980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42044153420 is a wasteful number, since it uses less digits than its factorization.

42044153420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110642537 (or 110642535 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 42044153420 its reverse (2435144024), we get a palindrome (44479297444).

The spelling of 42044153420 in words is "forty-two billion, forty-four million, one hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 110642509 221285018 442570036 553212545 1106425090 2102207671 2212850180 4204415342 8408830684 10511038355 21022076710 42044153420