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6838542220 = 225341927111
BaseRepresentation
bin1100101111001101…
…11101111110001100
3122122120220221100111
412113212331332030
5103001131322340
63050325405404
7331315435606
oct62746757614
918576827314
106838542220
11299a1a6a94
1213aa269864
1384ca24ab3
1448c32c176
152a0574aea
hex1979bdf8c

6838542220 has 12 divisors (see below), whose sum is σ = 14360938704. Its totient is φ = 2735416880.

The previous prime is 6838542167. The next prime is 6838542223. The reversal of 6838542220 is 222458386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6838542223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170963536 + ... + 170963575.

It is an arithmetic number, because the mean of its divisors is an integer number (1196744892).

Almost surely, 26838542220 is an apocalyptic number.

It is an amenable number.

6838542220 is an abundant number, since it is smaller than the sum of its proper divisors (7522396484).

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

6838542220 is a wasteful number, since it uses less digits than its factorization.

6838542220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341927120 (or 341927118 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 6838542220 is about 82695.4788365120. The cubic root of 6838542220 is about 1898.1091271449.

The spelling of 6838542220 in words is "six billion, eight hundred thirty-eight million, five hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 341927111 683854222 1367708444 1709635555 3419271110 6838542220