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3860054781820 = 225859224683049
BaseRepresentation
bin111000001010111101001…
…100011010111101111100
3111200000110212002000201021
4320022331030122331330
51001220343011004240
612113141254153524
7545610520165426
oct70127514327574
914600425060637
103860054781820
111259049324966
125241306528a4
132200036a7523
14d4b830d1816
156a61eeaa54a
hex382bd31af7c

3860054781820 has 24 divisors (see below), whose sum is σ = 8115551766000. Its totient is φ = 1542224441472.

The previous prime is 3860054781809. The next prime is 3860054781833. The reversal of 3860054781820 is 281874500683.

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, 112324345 + ... + 112358704.

It is an arithmetic number, because the mean of its divisors is an integer number (338147990250).

Almost surely, 23860054781820 is an apocalyptic number.

It is an amenable number.

3860054781820 is an abundant number, since it is smaller than the sum of its proper divisors (4255496984180).

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

3860054781820 is a wasteful number, since it uses less digits than its factorization.

3860054781820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224683917 (or 224683915 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 3860054781820 in words is "three trillion, eight hundred sixty billion, fifty-four million, seven hundred eighty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 859 1718 3436 4295 8590 17180 224683049 449366098 898732196 1123415245 2246830490 4493660980 193002739091 386005478182 772010956364 965013695455 1930027390910 3860054781820