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5018823457 = 19264148603
BaseRepresentation
bin1001010110010010…
…10010101100100001
3110221202210122111021
410223021102230201
540234304322312
62150002445441
7235241203234
oct45311225441
913852718437
105018823457
112145aa438a
12b80963881
1361ca1c62b
143587a141b
151e5923c07
hex12b252b21

5018823457 has 4 divisors (see below), whose sum is σ = 5282972080. Its totient is φ = 4754674836.

The previous prime is 5018823451. The next prime is 5018823473. The reversal of 5018823457 is 7543288105.

5018823457 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-5018823457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5018823451) 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, 132074283 + ... + 132074320.

It is an arithmetic number, because the mean of its divisors is an integer number (1320743020).

Almost surely, 25018823457 is an apocalyptic number.

It is an amenable number.

5018823457 is a deficient number, since it is larger than the sum of its proper divisors (264148623).

5018823457 is a wasteful number, since it uses less digits than its factorization.

5018823457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264148622.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 5018823457 is about 70843.6550228741. The cubic root of 5018823457 is about 1712.1191033948.

The spelling of 5018823457 in words is "five billion, eighteen million, eight hundred twenty-three thousand, four hundred fifty-seven".

Divisors: 1 19 264148603 5018823457