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42642054220 = 2252132102711
BaseRepresentation
bin100111101101101010…
…100001110001001100
311002001210112210112111
4213231222201301030
51144312331213340
631331155113404
73036465323533
oct475552416114
9132053483474
1042642054220
11170a2367527
1283208a2864
13403755b05c
1420c743931a
151198922aea
hex9edaa1c4c

42642054220 has 12 divisors (see below), whose sum is σ = 89548313904. Its totient is φ = 17056821680.

The previous prime is 42642054199. The next prime is 42642054229. The reversal of 42642054220 is 2245024624.

42642054220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42642054229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066051336 + ... + 1066051375.

It is an arithmetic number, because the mean of its divisors is an integer number (7462359492).

Almost surely, 242642054220 is an apocalyptic number.

It is an amenable number.

42642054220 is an abundant number, since it is smaller than the sum of its proper divisors (46906259684).

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

42642054220 is a wasteful number, since it uses less digits than its factorization.

42642054220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132102720 (or 2132102718 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 42642054220 its reverse (2245024624), we get a palindrome (44887078844).

The spelling of 42642054220 in words is "forty-two billion, six hundred forty-two million, fifty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2132102711 4264205422 8528410844 10660513555 21321027110 42642054220