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20100112120112 = 243178675151191
BaseRepresentation
bin1001001000111111011000…
…00010101111100100110000
32122011112220101002010210012
410210133230002233210300
510113310012200320422
6110425510344154052
74143120342012113
oct444375402574460
978145811063705
1020100112120112
11644a456312692
122307652a68928
13b2a5810bb82b
144d6bca14657a
1524ccb3d6b4e2
hex1247ec0af930

20100112120112 has 40 divisors (see below), whose sum is σ = 40205342026752. Its totient is φ = 9724622529600.

The previous prime is 20100112120051. The next prime is 20100112120147. The reversal of 20100112120112 is 21102121100102.

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, 1326437 + ... + 6477627.

Almost surely, 220100112120112 is an apocalyptic number.

It is an amenable number.

20100112120112 is an abundant number, since it is smaller than the sum of its proper divisors (20105229906640).

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

20100112120112 is a wasteful number, since it uses less digits than its factorization.

20100112120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159097 (or 5159091 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20100112120112 its reverse (21102121100102), we get a palindrome (41202233220214).

The spelling of 20100112120112 in words is "twenty trillion, one hundred billion, one hundred twelve million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 7867 15734 31468 62936 125872 243877 487754 975508 1951016 3902032 5151191 10302382 20604764 41209528 82419056 159686921 319373842 638747684 1277495368 2554990736 40524419597 81048839194 162097678388 324195356776 648390713552 1256257007507 2512514015014 5025028030028 10050056060056 20100112120112