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1079786878940 = 22571141163104917
BaseRepresentation
bin11111011011010000101…
…00000011011111011100
310211020010012111211100102
433231220110003133130
5120142400420111230
62144014112120232
7141004061014310
oct17555024033734
93736105454312
101079786878940
11386a315a7a70
1215532a536078
137aa92201003
143a394b85b40
151d14b188045
hexfb685037dc

1079786878940 has 192 divisors, whose sum is σ = 2913826341888. Its totient is φ = 326330726400.

The previous prime is 1079786878909. The next prime is 1079786878991. The reversal of 1079786878940 is 498786879701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10239362 + ... + 10344278.

It is an arithmetic number, because the mean of its divisors is an integer number (15176178864).

Almost surely, 21079786878940 is an apocalyptic number.

1079786878940 is a gapful number since it is divisible by the number (10) 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 1079786878940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456913170944).

1079786878940 is an abundant number, since it is smaller than the sum of its proper divisors (1834039462948).

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

1079786878940 is a wasteful number, since it uses less digits than its factorization.

1079786878940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105148 (or 105146 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 74.

The spelling of 1079786878940 in words is "one trillion, seventy-nine billion, seven hundred eighty-six million, eight hundred seventy-eight thousand, nine hundred forty".