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2838136378 = 271118429457
BaseRepresentation
bin1010100100101010…
…1000011000111010
321022210110021012011
42221022220120322
521303030331003
61145343040134
7130221522040
oct25112503072
97283407164
102838136378
111227065960
126725a004a
13362cc074c
141ccd10390
1511926e46d
hexa92a863a

2838136378 has 16 divisors (see below), whose sum is σ = 5307683904. Its totient is φ = 1105767360.

The previous prime is 2838136369. The next prime is 2838136403. The reversal of 2838136378 is 8736318382.

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, 9214575 + ... + 9214882.

It is an arithmetic number, because the mean of its divisors is an integer number (331730244).

Almost surely, 22838136378 is an apocalyptic number.

2838136378 is a deficient number, since it is larger than the sum of its proper divisors (2469547526).

2838136378 is a wasteful number, since it uses less digits than its factorization.

2838136378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429477.

The product of its digits is 1161216, while the sum is 49.

The square root of 2838136378 is about 53274.1623866579. The cubic root of 2838136378 is about 1415.8299231421.

The spelling of 2838136378 in words is "two billion, eight hundred thirty-eight million, one hundred thirty-six thousand, three hundred seventy-eight".

Divisors: 1 2 7 11 14 22 77 154 18429457 36858914 129006199 202724027 258012398 405448054 1419068189 2838136378