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3142146279 = 31047382093
BaseRepresentation
bin1011101101001001…
…0101100011100111
322002222111120101010
42323102111203213
522413342140104
61235443033303
7140602542216
oct27322254347
98088446333
103142146279
111372729008
1273836b833
133b0c9376c
1421b44907d
15135cc1489
hexbb4958e7

3142146279 has 4 divisors (see below), whose sum is σ = 4189528376. Its totient is φ = 2094764184.

The previous prime is 3142146269. The next prime is 3142146307. The reversal of 3142146279 is 9726412413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3142146279 - 25 = 3142146247 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 (3142146269) 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, 523691044 + ... + 523691049.

It is an arithmetic number, because the mean of its divisors is an integer number (1047382094).

Almost surely, 23142146279 is an apocalyptic number.

3142146279 is a deficient number, since it is larger than the sum of its proper divisors (1047382097).

3142146279 is a wasteful number, since it uses less digits than its factorization.

3142146279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047382096.

The product of its digits is 72576, while the sum is 39.

The square root of 3142146279 is about 56054.8506286477. The cubic root of 3142146279 is about 1464.6779148041.

The spelling of 3142146279 in words is "three billion, one hundred forty-two million, one hundred forty-six thousand, two hundred seventy-nine".

Divisors: 1 3 1047382093 3142146279