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5439298871 = 6761804511
BaseRepresentation
bin1010001000011010…
…10001110100110111
3112001002000000022202
411010031101310313
542114430030441
62255423015115
7251535164126
oct50415216467
915032000282
105439298871
112341384826
12107973a49b
13688b7c856
14398575abd
1521c7ce19b
hex144351d37

5439298871 has 4 divisors (see below), whose sum is σ = 5440110144. Its totient is φ = 5438487600.

The previous prime is 5439298867. The next prime is 5439298939. The reversal of 5439298871 is 1788929345.

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 5439298871 - 22 = 5439298867 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 (5439298171) 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, 395495 + ... + 409016.

It is an arithmetic number, because the mean of its divisors is an integer number (1360027536).

Almost surely, 25439298871 is an apocalyptic number.

5439298871 is a deficient number, since it is larger than the sum of its proper divisors (811273).

5439298871 is an equidigital number, since it uses as much as digits as its factorization.

5439298871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811272.

The product of its digits is 4354560, while the sum is 56.

The square root of 5439298871 is about 73751.6024978441. The cubic root of 5439298871 is about 1758.6563081466.

The spelling of 5439298871 in words is "five billion, four hundred thirty-nine million, two hundred ninety-eight thousand, eight hundred seventy-one".

Divisors: 1 6761 804511 5439298871