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3144471863 = 13241882451
BaseRepresentation
bin1011101101101100…
…1101010100110111
322010010212201110212
42323123031110313
522414441044423
61240004540035
7140631366311
oct27333152467
98103781425
103144471863
111373a77285
127390b161b
133b15c9150
1421b8927b1
151360d0578
hexbb6cd537

3144471863 has 4 divisors (see below), whose sum is σ = 3386354328. Its totient is φ = 2902589400.

The previous prime is 3144471857. The next prime is 3144471881. The reversal of 3144471863 is 3681744413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3144471863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3144471863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144461863) 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, 120941213 + ... + 120941238.

It is an arithmetic number, because the mean of its divisors is an integer number (846588582).

Almost surely, 23144471863 is an apocalyptic number.

3144471863 is a deficient number, since it is larger than the sum of its proper divisors (241882465).

3144471863 is a wasteful number, since it uses less digits than its factorization.

3144471863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241882464.

The product of its digits is 193536, while the sum is 41.

The square root of 3144471863 is about 56075.5906165954. The cubic root of 3144471863 is about 1465.0391744039.

The spelling of 3144471863 in words is "three billion, one hundred forty-four million, four hundred seventy-one thousand, eight hundred sixty-three".

Divisors: 1 13 241882451 3144471863