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42005030142 = 23172281180541
BaseRepresentation
bin100111000111101100…
…011110010011111110
311000102101212121210010
4213013230132103332
51142011241431032
631144041324050
73014631602505
oct470754362376
9130371777703
1042005030142
11168a5820949
128183496626
133c6559b32a
1420669b583c
15115ca3eccc
hex9c7b1e4fe

42005030142 has 32 divisors (see below), whose sum is σ = 88991318304. Its totient is φ = 13172198400.

The previous prime is 42005030113. The next prime is 42005030161. The reversal of 42005030142 is 24103050024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142392 + ... + 322932.

It is an arithmetic number, because the mean of its divisors is an integer number (2780978697).

Almost surely, 242005030142 is an apocalyptic number.

42005030142 is an abundant number, since it is smaller than the sum of its proper divisors (46986288162).

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

42005030142 is a wasteful number, since it uses less digits than its factorization.

42005030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182844.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 42005030142 its reverse (24103050024), we get a palindrome (66108080166).

The spelling of 42005030142 in words is "forty-two billion, five million, thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 2281 4562 6843 13686 38777 77554 116331 180541 232662 361082 541623 1083246 3069197 6138394 9207591 18415182 411814021 823628042 1235442063 2470884126 7000838357 14001676714 21002515071 42005030142