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3138833863 = 1110115431831
BaseRepresentation
bin1011101100010110…
…1100110111000111
322002202021021121001
42323011230313013
522412020140423
61235244034131
7140532435064
oct27305546707
98082237531
103138833863
111370876380
12737232947
133b03a3b59
1421ac25c6b
15135869cad
hexbb16cdc7

3138833863 has 16 divisors (see below), whose sum is σ = 3462216192. Its totient is φ = 2821860000.

The previous prime is 3138833861. The next prime is 3138833881. The reversal of 3138833863 is 3683388313.

It is a cyclic number.

It is not a de Polignac number, because 3138833863 - 21 = 3138833861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138833861) by changing a digit.

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, 1713358 + ... + 1715188.

It is an arithmetic number, because the mean of its divisors is an integer number (216388512).

Almost surely, 23138833863 is an apocalyptic number.

3138833863 is a deficient number, since it is larger than the sum of its proper divisors (323382329).

3138833863 is a wasteful number, since it uses less digits than its factorization.

3138833863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 746496, while the sum is 46.

The square root of 3138833863 is about 56025.2966346453. The cubic root of 3138833863 is about 1464.1630513986.

The spelling of 3138833863 in words is "three billion, one hundred thirty-eight million, eight hundred thirty-three thousand, eight hundred sixty-three".

Divisors: 1 11 101 1111 1543 1831 16973 20141 155843 184931 1714273 2034241 2825233 31077563 285348533 3138833863