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2803863142 = 21782466563
BaseRepresentation
bin1010011100011111…
…1000111001100110
321020101222000011001
42213013320321212
521220242110032
61142120303514
7126324305053
oct24707707146
97211860131
102803863142
111209786973
12663011b9a
13358b80722
141c854c02a
1511624e3e7
hexa71f8e66

2803863142 has 8 divisors (see below), whose sum is σ = 4453194456. Its totient is φ = 1319464992.

The previous prime is 2803863137. The next prime is 2803863143. The reversal of 2803863142 is 2413683082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28038631422 = 15723297038132224328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803863143) 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, 41233248 + ... + 41233315.

It is an arithmetic number, because the mean of its divisors is an integer number (556649307).

Almost surely, 22803863142 is an apocalyptic number.

2803863142 is a deficient number, since it is larger than the sum of its proper divisors (1649331314).

2803863142 is a wasteful number, since it uses less digits than its factorization.

2803863142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82466582.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2803863142 is about 52951.5168998963. The cubic root of 2803863142 is about 1410.1076560491.

The spelling of 2803863142 in words is "two billion, eight hundred three million, eight hundred sixty-three thousand, one hundred forty-two".

Divisors: 1 2 17 34 82466563 164933126 1401931571 2803863142