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5143736285 = 51028747257
BaseRepresentation
bin1001100101001011…
…10010111111011101
3111021110211212200022
410302211302333131
541013244030120
62210224041525
7241316015462
oct46245627735
914243755608
105143736285
1121aa561226
12bb67632a5
1363c87674c
1436b1d9669
1520189a025
hex132972fdd

5143736285 has 4 divisors (see below), whose sum is σ = 6172483548. Its totient is φ = 4114989024.

The previous prime is 5143736281. The next prime is 5143736357. The reversal of 5143736285 is 5826373415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5826373415 = 51165274683.

It can be written as a sum of positive squares in 2 ways, for example, as 3931164601 + 1212571684 = 62699^2 + 34822^2 .

It is a cyclic number.

It is not a de Polignac number, because 5143736285 - 22 = 5143736281 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 (5143736281) 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, 514373624 + ... + 514373633.

It is an arithmetic number, because the mean of its divisors is an integer number (1543120887).

Almost surely, 25143736285 is an apocalyptic number.

It is an amenable number.

5143736285 is a deficient number, since it is larger than the sum of its proper divisors (1028747263).

5143736285 is a wasteful number, since it uses less digits than its factorization.

5143736285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028747262.

The product of its digits is 604800, while the sum is 44.

The square root of 5143736285 is about 71719.8458238722. The cubic root of 5143736285 is about 1726.2070985442.

The spelling of 5143736285 in words is "five billion, one hundred forty-three million, seven hundred thirty-six thousand, two hundred eighty-five".

Divisors: 1 5 1028747257 5143736285