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3909808088942 = 279727710393837
BaseRepresentation
bin111000111001010010101…
…110001110011101101110
3111211202220020200220022212
4320321102232032131232
51003024241332321232
612152050244210422
7552321455262110
oct70712256163556
914752806626285
103909808088942
11127815a8129a8
125318b6999a12
132249022c1c22
14d7342b673b0
156ba82d70eb2
hex38e52b8e76e

3909808088942 has 32 divisors (see below), whose sum is σ = 6796073339328. Its totient is φ = 1652370471936.

The previous prime is 3909808088917. The next prime is 3909808088983. The reversal of 3909808088942 is 2498808089093.

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, 4820753 + ... + 5573084.

It is an arithmetic number, because the mean of its divisors is an integer number (212377291854).

Almost surely, 23909808088942 is an apocalyptic number.

3909808088942 is a deficient number, since it is larger than the sum of its proper divisors (2886265250386).

3909808088942 is a wasteful number, since it uses less digits than its factorization.

3909808088942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394220.

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 3909808088942 in words is "three trillion, nine hundred nine billion, eight hundred eight million, eighty-eight thousand, nine hundred forty-two".

Divisors: 1 2 7 14 97 194 277 554 679 1358 1939 3878 26869 53738 188083 376166 10393837 20787674 72756859 145513718 1008202189 2016404378 2879092849 5758185698 7057415323 14114830646 20153649943 40307299886 279272006353 558544012706 1954904044471 3909808088942