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3142644143 = 4766864769
BaseRepresentation
bin1011101101010000…
…1111000110101111
322010000102212022112
42323110033012233
522414004103033
61235501434235
7140610014552
oct27324170657
98100385275
103142644143
111372a39071
1273856b97b
133b1109262
1421b538699
15135d6dc48
hexbb50f1af

3142644143 has 4 divisors (see below), whose sum is σ = 3209508960. Its totient is φ = 3075779328.

The previous prime is 3142644133. The next prime is 3142644149. The reversal of 3142644143 is 3414462413.

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

It is a cyclic number.

It is not a de Polignac number, because 3142644143 - 28 = 3142643887 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 (3142644149) 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 3 ways as a sum of consecutive naturals, for example, 33432338 + ... + 33432431.

It is an arithmetic number, because the mean of its divisors is an integer number (802377240).

Almost surely, 23142644143 is an apocalyptic number.

3142644143 is a deficient number, since it is larger than the sum of its proper divisors (66864817).

3142644143 is an equidigital number, since it uses as much as digits as its factorization.

3142644143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66864816.

The product of its digits is 27648, while the sum is 32.

The square root of 3142644143 is about 56059.2913173187. The cubic root of 3142644143 is about 1464.7552687134.

The spelling of 3142644143 in words is "three billion, one hundred forty-two million, six hundred forty-four thousand, one hundred forty-three".

Divisors: 1 47 66864769 3142644143