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42705554843 = 761401443563
BaseRepresentation
bin100111110001011100…
…110000110110011011
311002020020000222000102
4213301130300312123
51144430110223333
631341344130015
73041166140540
oct476134606633
9132206028012
1042705554843
1117125199486
12833a00690b
1340477624a3
1420d1a48bc7
15119e2b7ae8
hex9f1730d9b

42705554843 has 32 divisors (see below), whose sum is σ = 49930947072. Its totient is φ = 35770176000.

The previous prime is 42705554821. The next prime is 42705554849. The reversal of 42705554843 is 34845550724.

It is a cyclic number.

It is not a de Polignac number, because 42705554843 - 26 = 42705554779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42705554849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75853280 + ... + 75853842.

It is an arithmetic number, because the mean of its divisors is an integer number (1560342096).

Almost surely, 242705554843 is an apocalyptic number.

42705554843 is a deficient number, since it is larger than the sum of its proper divisors (7225392229).

42705554843 is a wasteful number, since it uses less digits than its factorization.

42705554843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 2688000, while the sum is 47.

The spelling of 42705554843 in words is "forty-two billion, seven hundred five million, five hundred fifty-four thousand, eight hundred forty-three".

Divisors: 1 7 61 401 427 443 563 2807 3101 3941 24461 27023 34343 171227 177643 189161 225763 240401 249409 1243501 1580341 1745863 10836223 13771543 15213949 75853561 96400801 100013009 106497643 700091063 6100793549 42705554843