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3870828554845 = 57977113198671
BaseRepresentation
bin111000010100111111010…
…111000110101001011101
3111201001021200211101212211
4320110333113012221131
51001404424102223340
612122122321400421
7546441511561420
oct70247727065135
914631250741784
103870828554845
11126267789700a
12526238799111
1322102c794055
14d54c5d139b7
156aa50c5e5ea
hex3853f5c6a5d

3870828554845 has 16 divisors (see below), whose sum is σ = 5313998458368. Its totient is φ = 2651565646080.

The previous prime is 3870828554833. The next prime is 3870828554869. The reversal of 3870828554845 is 5484558280783.

It is not a de Polignac number, because 3870828554845 - 213 = 3870828546653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56565141 + ... + 56633530.

It is an arithmetic number, because the mean of its divisors is an integer number (332124903648).

Almost surely, 23870828554845 is an apocalyptic number.

3870828554845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3870828554845 is a deficient number, since it is larger than the sum of its proper divisors (1443169903523).

3870828554845 is a wasteful number, since it uses less digits than its factorization.

3870828554845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113199660.

The product of its (nonzero) digits is 344064000, while the sum is 67.

The spelling of 3870828554845 in words is "three trillion, eight hundred seventy billion, eight hundred twenty-eight million, five hundred fifty-four thousand, eight hundred forty-five".

Divisors: 1 5 7 35 977 4885 6839 34195 113198671 565993355 792390697 3961953485 110595101567 552975507835 774165710969 3870828554845