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1300131143 = 2356527441
BaseRepresentation
bin100110101111110…
…0110110101000111
310100121102111122022
41031133212311013
510130313144033
6333002153355
744134634543
oct11537466507
93317374568
101300131143
11607987853
123034b285b
1317948288c
14c4956a23
1579219098
hex4d7e6d47

1300131143 has 4 divisors (see below), whose sum is σ = 1356658608. Its totient is φ = 1243603680.

The previous prime is 1300131137. The next prime is 1300131163. The reversal of 1300131143 is 3411310031.

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 1300131143 - 24 = 1300131127 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 (1300131163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28263698 + ... + 28263743.

It is an arithmetic number, because the mean of its divisors is an integer number (339164652).

Almost surely, 21300131143 is an apocalyptic number.

1300131143 is a deficient number, since it is larger than the sum of its proper divisors (56527465).

1300131143 is an equidigital number, since it uses as much as digits as its factorization.

1300131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56527464.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1300131143 is about 36057.3313349726. The cubic root of 1300131143 is about 1091.4295814519.

Adding to 1300131143 its reverse (3411310031), we get a palindrome (4711441174).

It can be divided in two parts, 13001 and 31143, that added together give a palindrome (44144).

The spelling of 1300131143 in words is "one billion, three hundred million, one hundred thirty-one thousand, one hundred forty-three".

Divisors: 1 23 56527441 1300131143