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3871801485680 = 245439111021981
BaseRepresentation
bin111000010101111001010…
…110100010100101110000
3111201010210111120102002012
4320111321112202211300
51001413422140020210
612122403034542052
7546504564421442
oct70257126424560
914633714512065
103871801485680
111263027001387
1252646a597928
1322115621427b
14d5579216492
156aaab395305
hex385795a2970

3871801485680 has 40 divisors (see below), whose sum is σ = 9003989359584. Its totient is φ = 1548367750400.

The previous prime is 3871801485569. The next prime is 3871801485691. The reversal of 3871801485680 is 865841081783.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 5159711 + ... + 5862270.

Almost surely, 23871801485680 is an apocalyptic number.

It is an amenable number.

3871801485680 is an abundant number, since it is smaller than the sum of its proper divisors (5132187873904).

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

3871801485680 is a wasteful number, since it uses less digits than its factorization.

3871801485680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026385 (or 11026379 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 59.

The spelling of 3871801485680 in words is "three trillion, eight hundred seventy-one billion, eight hundred one million, four hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4391 8782 17564 21955 35128 43910 70256 87820 175640 351280 11021981 22043962 44087924 55109905 88175848 110219810 176351696 220439620 440879240 881758480 48397518571 96795037142 193590074284 241987592855 387180148568 483975185710 774360297136 967950371420 1935900742840 3871801485680