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3142143020 = 225511330727
BaseRepresentation
bin1011101101001001…
…0100110000101100
322002222111101220102
42323102110300230
522413342034040
61235443010232
7140602526552
oct27322246054
98088441812
103142143020
111372726615
12738369978
133b0c92133
1421b447bd2
15135cc0515
hexbb494c2c

3142143020 has 24 divisors (see below), whose sum is σ = 6600005664. Its totient is φ = 1256570496.

The previous prime is 3142142987. The next prime is 3142143041. The reversal of 3142143020 is 203412413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3142142983 and 3142143001.

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, 86897 + ... + 117623.

It is an arithmetic number, because the mean of its divisors is an integer number (275000236).

Almost surely, 23142143020 is an apocalyptic number.

It is an amenable number.

3142143020 is an abundant number, since it is smaller than the sum of its proper divisors (3457862644).

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

3142143020 is a wasteful number, since it uses less digits than its factorization.

3142143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35849 (or 35847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3142143020 is about 56054.8215588989. The cubic root of 3142143020 is about 1464.6774084212.

Adding to 3142143020 its reverse (203412413), we get a palindrome (3345555433).

The spelling of 3142143020 in words is "three billion, one hundred forty-two million, one hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 5113 10226 20452 25565 30727 51130 61454 102260 122908 153635 307270 614540 157107151 314214302 628428604 785535755 1571071510 3142143020