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3871888522820 = 225193594426141
BaseRepresentation
bin111000010101111110100…
…010100011111001000100
3111201011000120100100120222
4320111332202203321010
51001414111430212240
612122415424243512
7546510002264153
oct70257642437104
914634016310528
103871888522820
1112630711496aa
12526493770598
1322116b269736
14d55869d159a
156aab3d38eb5
hex3857e8a3e44

3871888522820 has 12 divisors (see below), whose sum is σ = 8130965897964. Its totient is φ = 1548755409120.

The previous prime is 3871888522793. The next prime is 3871888522847. The reversal of 3871888522820 is 282258881783.

3871888522820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3871888522793) and next prime (3871888522847).

It can be written as a sum of positive squares in 2 ways, for example, as 1279762762756 + 2592125760064 = 1131266^2 + 1610008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96797213051 + ... + 96797213090.

It is an arithmetic number, because the mean of its divisors is an integer number (677580491497).

Almost surely, 23871888522820 is an apocalyptic number.

It is an amenable number.

3871888522820 is an abundant number, since it is smaller than the sum of its proper divisors (4259077375144).

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

3871888522820 is a wasteful number, since it uses less digits than its factorization.

3871888522820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193594426150 (or 193594426148 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 62.

The spelling of 3871888522820 in words is "three trillion, eight hundred seventy-one billion, eight hundred eighty-eight million, five hundred twenty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 193594426141 387188852282 774377704564 967972130705 1935944261410 3871888522820