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8000752429 = 53150957593
BaseRepresentation
bin1110111001110000…
…11100101100101101
3202122120211100001001
413130320130230231
5112341143034204
63401523520301
7402160162555
oct73470345455
922576740031
108000752429
11343624179a
121673529091
139a6747747
1455c822165
1531c5e84a4
hex1dce1cb2d

8000752429 has 4 divisors (see below), whose sum is σ = 8151710076. Its totient is φ = 7849794784.

The previous prime is 8000752391. The next prime is 8000752453. The reversal of 8000752429 is 9242570008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5141176804 + 2859575625 = 71702^2 + 53475^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000752429 - 213 = 8000744237 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 (8000752489) 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, 75478744 + ... + 75478849.

It is an arithmetic number, because the mean of its divisors is an integer number (2037927519).

Almost surely, 28000752429 is an apocalyptic number.

It is an amenable number.

8000752429 is a deficient number, since it is larger than the sum of its proper divisors (150957647).

8000752429 is a wasteful number, since it uses less digits than its factorization.

8000752429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150957646.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8000752429 is about 89446.9252070746. The cubic root of 8000752429 is about 2000.0627004510.

The spelling of 8000752429 in words is "eight billion, seven hundred fifty-two thousand, four hundred twenty-nine".

Divisors: 1 53 150957593 8000752429