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5238878871 = 31746292957
BaseRepresentation
bin1001110000100001…
…01111001010010111
3111112002212121202210
410320100233022113
541212123110441
62223503204503
7243552510222
oct47020571227
914462777683
105238878871
112249235266
1210225a6733
136564a9335
14379ac45b9
15209de0616
hex13842f297

5238878871 has 4 divisors (see below), whose sum is σ = 6985171832. Its totient is φ = 3492585912.

The previous prime is 5238878861. The next prime is 5238878891. The reversal of 5238878871 is 1788788325.

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

It is not a de Polignac number, because 5238878871 - 211 = 5238876823 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 (5238878851) 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, 873146476 + ... + 873146481.

It is an arithmetic number, because the mean of its divisors is an integer number (1746292958).

Almost surely, 25238878871 is an apocalyptic number.

5238878871 is a deficient number, since it is larger than the sum of its proper divisors (1746292961).

5238878871 is a wasteful number, since it uses less digits than its factorization.

5238878871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746292960.

The product of its digits is 6021120, while the sum is 57.

The square root of 5238878871 is about 72380.0999653910. The cubic root of 5238878871 is about 1736.7852377139.

The spelling of 5238878871 in words is "five billion, two hundred thirty-eight million, eight hundred seventy-eight thousand, eight hundred seventy-one".

Divisors: 1 3 1746292957 5238878871