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3138880766 = 27431607857
BaseRepresentation
bin1011101100010111…
…1000010011111110
322002202100122221012
42323011320103332
522412023141031
61235245035222
7140533021610
oct27305702376
98082318835
103138880766
1113708a863a
12737255b12
133b03bc2c8
1421ac38db0
15135878b2b
hexbb1784fe

3138880766 has 32 divisors (see below), whose sum is σ = 5408612352. Its totient is φ = 1338338880.

The previous prime is 3138880757. The next prime is 3138880777. The reversal of 3138880766 is 6670888313.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662210 + ... + 3663066.

It is an arithmetic number, because the mean of its divisors is an integer number (169019136).

Almost surely, 23138880766 is an apocalyptic number.

3138880766 is a deficient number, since it is larger than the sum of its proper divisors (2269731586).

3138880766 is a wasteful number, since it uses less digits than its factorization.

3138880766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3138880766 is about 56025.7152207805. The cubic root of 3138880766 is about 1464.1703442660.

The spelling of 3138880766 in words is "three billion, one hundred thirty-eight million, eight hundred eighty thousand, seven hundred sixty-six".

Divisors: 1 2 7 14 431 607 857 862 1214 1714 3017 4249 5999 6034 8498 11998 261617 369367 520199 523234 738734 1040398 1831319 2585569 3641393 3662638 5171138 7282786 224205769 448411538 1569440383 3138880766