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5120143511 = 7731449073
BaseRepresentation
bin1001100010010111…
…10011000010010111
3111012211110020110212
410301023303002113
540441224043021
62204022240035
7240611334050
oct46113630227
914184406425
105120143511
11219820766a
12baa88601b
13637a05c22
14368017727
151ee78985b
hex1312f3097

5120143511 has 4 divisors (see below), whose sum is σ = 5851592592. Its totient is φ = 4388694432.

The previous prime is 5120143499. The next prime is 5120143529. The reversal of 5120143511 is 1153410215.

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 5120143511 - 26 = 5120143447 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 (5120143531) 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, 365724530 + ... + 365724543.

It is an arithmetic number, because the mean of its divisors is an integer number (1462898148).

Almost surely, 25120143511 is an apocalyptic number.

5120143511 is a deficient number, since it is larger than the sum of its proper divisors (731449081).

5120143511 is an equidigital number, since it uses as much as digits as its factorization.

5120143511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731449080.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5120143511 is about 71555.1780865648. The cubic root of 5120143511 is about 1723.5638552645.

Adding to 5120143511 its reverse (1153410215), we get a palindrome (6273553726).

The spelling of 5120143511 in words is "five billion, one hundred twenty million, one hundred forty-three thousand, five hundred eleven".

Divisors: 1 7 731449073 5120143511