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42112104340 = 22547281159431
BaseRepresentation
bin100111001110000100…
…111011011110010100
311000200212100112222011
4213032010323132110
51142221144314330
631202424314004
73020401660255
oct471604733624
9130625315864
1042112104340
1116950204319
1281b3312904
133c8181aa47
142076cc8b2c
15116714082a
hex9ce13b794

42112104340 has 48 divisors (see below), whose sum is σ = 90639005184. Its totient is φ = 16427667200.

The previous prime is 42112104313. The next prime is 42112104361. The reversal of 42112104340 is 4340121124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184425 + ... + 343855.

It is an arithmetic number, because the mean of its divisors is an integer number (1888312608).

Almost surely, 242112104340 is an apocalyptic number.

It is an amenable number.

42112104340 is an abundant number, since it is smaller than the sum of its proper divisors (48526900844).

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

42112104340 is a wasteful number, since it uses less digits than its factorization.

42112104340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159768 (or 159766 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42112104340 its reverse (4340121124), we get a palindrome (46452225464).

The spelling of 42112104340 in words is "forty-two billion, one hundred twelve million, one hundred four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 281 470 562 940 1124 1405 2810 5620 13207 26414 52828 66035 132070 159431 264140 318862 637724 797155 1594310 3188620 7493257 14986514 29973028 37466285 44800111 74932570 89600222 149865140 179200444 224000555 448001110 896002220 2105605217 4211210434 8422420868 10528026085 21056052170 42112104340