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67112107120 = 245838901339
BaseRepresentation
bin111110100000001100…
…010111110001110000
320102020011021021121001
4332200030113301300
52044421144411440
650455245211344
74564046332612
oct764014276160
9212204237531
1067112107120
112650a042443
121100b860b54
1364370555b6
143369272db2
151b2bd13b9a
hexfa0317c70

67112107120 has 20 divisors (see below), whose sum is σ = 156035649240. Its totient is φ = 26844842816.

The previous prime is 67112107099. The next prime is 67112107157. The reversal of 67112107120 is 2170121176.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 419450590 + ... + 419450749.

It is an arithmetic number, because the mean of its divisors is an integer number (7801782462).

Almost surely, 267112107120 is an apocalyptic number.

It is an amenable number.

67112107120 is an abundant number, since it is smaller than the sum of its proper divisors (88923542120).

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

67112107120 is a wasteful number, since it uses less digits than its factorization.

67112107120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838901352 (or 838901346 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 67112107120 its reverse (2170121176), we get a palindrome (69282228296).

The spelling of 67112107120 in words is "sixty-seven billion, one hundred twelve million, one hundred seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 838901339 1677802678 3355605356 4194506695 6711210712 8389013390 13422421424 16778026780 33556053560 67112107120