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42112200220 = 22547241185893
BaseRepresentation
bin100111001110000101…
…010010111000011100
311000200212112102111021
4213032011102320130
51142221210401340
631202430333524
73020402536636
oct471605227034
9130625472437
1042112200220
111695026a362
1281b335a2a4
133c8185258c
142076d11a56
15116715de4a
hex9ce152e1c

42112200220 has 48 divisors (see below), whose sum is σ = 90692477568. Its totient is φ = 16417981440.

The previous prime is 42112200197. The next prime is 42112200269. The reversal of 42112200220 is 2200221124.

It is a junction number, because it is equal to n+sod(n) for n = 42112200194 and 42112200203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133594 + ... + 319486.

It is an arithmetic number, because the mean of its divisors is an integer number (1889426616).

Almost surely, 242112200220 is an apocalyptic number.

It is an amenable number.

42112200220 is an abundant number, since it is smaller than the sum of its proper divisors (48580277348).

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

42112200220 is a wasteful number, since it uses less digits than its factorization.

42112200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186190 (or 186188 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 42112200220 its reverse (2200221124), we get a palindrome (44312421344).

The spelling of 42112200220 in words is "forty-two billion, one hundred twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 241 470 482 940 964 1205 2410 4820 11327 22654 45308 56635 113270 185893 226540 371786 743572 929465 1858930 3717860 8736971 17473942 34947884 43684855 44800213 87369710 89600426 174739420 179200852 224001065 448002130 896004260 2105610011 4211220022 8422440044 10528050055 21056100110 42112200220