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42542882420 = 2252392484527
BaseRepresentation
bin100111100111110000…
…001101111001110100
311001210212221100101212
4213213300031321310
51144111434214140
631313253340552
73034152351113
oct474760157164
9131725840355
1042542882420
1117051391265
1282b3637758
13401cb4750c
1420b81c1c7a
15118ed83765
hex9e7c0de74

42542882420 has 24 divisors (see below), whose sum is σ = 93224404224. Its totient is φ = 16277276576.

The previous prime is 42542882419. The next prime is 42542882441. The reversal of 42542882420 is 2428824524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46241804 + ... + 46242723.

It is an arithmetic number, because the mean of its divisors is an integer number (3884350176).

Almost surely, 242542882420 is an apocalyptic number.

It is an amenable number.

42542882420 is an abundant number, since it is smaller than the sum of its proper divisors (50681521804).

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

42542882420 is a wasteful number, since it uses less digits than its factorization.

42542882420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92484559 (or 92484557 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 41.

The spelling of 42542882420 in words is "forty-two billion, five hundred forty-two million, eight hundred eighty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 92484527 184969054 369938108 462422635 924845270 1849690540 2127144121 4254288242 8508576484 10635720605 21271441210 42542882420