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120348517968 = 243272773371279
BaseRepresentation
bin111000000010101010…
…1001010011001010000
3102111122021222011021100
41300011111022121100
53432433210033333
6131142022224400
711460230344530
oct1600525123120
9374567864240
10120348517968
11470486678a8
121b3a8585100
13b46c471b13
145b797494c0
1531e589a213
hex1c0554a650

120348517968 has 240 divisors, whose sum is σ = 387763118080. Its totient is φ = 34132783104.

The previous prime is 120348517921. The next prime is 120348517981. The reversal of 120348517968 is 869715843021.

120348517968 is a `hidden beast` number, since 1 + 2 + 0 + 34 + 8 + 517 + 96 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94095153 + ... + 94096431.

It is a 1-persistent number, because it is pandigital, but 2⋅120348517968 = 240697035936 is not.

Almost surely, 2120348517968 is an apocalyptic number.

120348517968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120348517968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193881559040).

120348517968 is an abundant number, since it is smaller than the sum of its proper divisors (267414600112).

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

120348517968 is a wasteful number, since it uses less digits than its factorization.

120348517968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 120348517968 in words is "one hundred twenty billion, three hundred forty-eight million, five hundred seventeen thousand, nine hundred sixty-eight".