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3920038530185 = 5851392095349
BaseRepresentation
bin111001000010110100100…
…000010000110010001001
3111212202022020002011102002
4321002310200100302021
51003211214330431220
612200501342120345
7553133131505321
oct71026440206211
914782266064362
103920038530185
11128152a611918
12533890b800b5
1322587296445b
14d7a33754281
156be8109cc75
hex390b4810c89

3920038530185 has 8 divisors (see below), whose sum is σ = 4704598859400. Its totient is φ = 3135662408704.

The previous prime is 3920038530179. The next prime is 3920038530197. The reversal of 3920038530185 is 5810358300293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 840199557376 + 3079838972809 = 916624^2 + 1754947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3920038530185 - 238 = 3645160623241 is a prime.

It is a super-2 number, since 2×39200385301852 (a number of 26 digits) contains 22 as substring.

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, 46005110 + ... + 46090239.

It is an arithmetic number, because the mean of its divisors is an integer number (588074857425).

Almost surely, 23920038530185 is an apocalyptic number.

It is an amenable number.

3920038530185 is a deficient number, since it is larger than the sum of its proper divisors (784560329215).

3920038530185 is an equidigital number, since it uses as much as digits as its factorization.

3920038530185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92103867.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 3920038530185 in words is "three trillion, nine hundred twenty billion, thirty-eight million, five hundred thirty thousand, one hundred eighty-five".

Divisors: 1 5 8513 42565 92095349 460476745 784007706037 3920038530185