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13020112112 = 247839138559
BaseRepresentation
bin11000010000000111…
…10010010011110000
31020121101122020002112
430020003302103300
5203131122041422
65551550104452
7640436061350
oct141003622360
936541566075
1013020112112
115581571a37
1226344ab128
1312c65c4167
148b72c2b60
155130c5ee2
hex3080f24f0

13020112112 has 40 divisors (see below), whose sum is σ = 28864819200. Its totient is φ = 5573356992.

The previous prime is 13020112057. The next prime is 13020112117. The reversal of 13020112112 is 21121102031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24689 + ... + 163247.

It is an arithmetic number, because the mean of its divisors is an integer number (721620480).

Almost surely, 213020112112 is an apocalyptic number.

It is an amenable number.

13020112112 is an abundant number, since it is smaller than the sum of its proper divisors (15844707088).

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

13020112112 is a wasteful number, since it uses less digits than its factorization.

13020112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139413 (or 139407 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13020112112 its reverse (21121102031), we get a palindrome (34141214143).

The spelling of 13020112112 in words is "thirteen billion, twenty million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 839 1678 3356 5873 6712 11746 13424 23492 46984 93968 138559 277118 554236 969913 1108472 1939826 2216944 3879652 7759304 15518608 116251001 232502002 465004004 813757007 930008008 1627514014 1860016016 3255028028 6510056056 13020112112